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86464400 = 24521143457
BaseRepresentation
bin1010010011101…
…01011110010000
320000200211212012
411021311132100
5134113330100
612325122052
72066635541
oct511653620
9200624765
1086464400
1144896a90
1224b59328
1314bb4889
14b6aa4c8
1578ce135
hex5275790

86464400 has 120 divisors (see below), whose sum is σ = 232392864. Its totient is φ = 30643200.

The previous prime is 86464373. The next prime is 86464403. The reversal of 86464400 is 446468.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86464403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188972 + ... + 189428.

Almost surely, 286464400 is an apocalyptic number.

86464400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86464400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116196432).

86464400 is an abundant number, since it is smaller than the sum of its proper divisors (145928464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86464400 is a wasteful number, since it uses less digits than its factorization.

86464400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 86464400 is about 9298.6235540536. The cubic root of 86464400 is about 442.1935912749.

The spelling of 86464400 in words is "eighty-six million, four hundred sixty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 43 44 50 55 80 86 88 100 110 172 176 200 215 220 275 344 400 430 440 457 473 550 688 860 880 914 946 1075 1100 1720 1828 1892 2150 2200 2285 2365 3440 3656 3784 4300 4400 4570 4730 5027 7312 7568 8600 9140 9460 10054 11425 11825 17200 18280 18920 19651 20108 22850 23650 25135 36560 37840 39302 40216 45700 47300 50270 78604 80432 91400 94600 98255 100540 125675 157208 182800 189200 196510 201080 216161 251350 314416 393020 402160 432322 491275 502700 786040 864644 982550 1005400 1080805 1572080 1729288 1965100 2010800 2161610 3458576 3930200 4323220 5404025 7860400 8646440 10808050 17292880 21616100 43232200 86464400