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140574080 = 275219647
BaseRepresentation
bin10000110000011…
…11110110000000
3100210111220101102
420120033312000
5241441332310
621540553532
73324600653
oct1030176600
9323456342
10140574080
1172394429
123b0b28a8
132317b73a
141495389a
15c51b8a5
hex860fd80

140574080 has 32 divisors (see below), whose sum is σ = 336061440. Its totient is φ = 56229376.

The previous prime is 140574061. The next prime is 140574121. The reversal of 140574080 is 80475041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×1405740803 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109184 + ... + 110463.

It is an arithmetic number, because the mean of its divisors is an integer number (10501920).

Almost surely, 2140574080 is an apocalyptic number.

140574080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140574080 is an abundant number, since it is smaller than the sum of its proper divisors (195487360).

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

140574080 is an equidigital number, since it uses as much as digits as its factorization.

140574080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219666 (or 219654 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 140574080 is about 11856.3940555297. The cubic root of 140574080 is about 519.9581820415.

The spelling of 140574080 in words is "one hundred forty million, five hundred seventy-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 219647 439294 878588 1098235 1757176 2196470 3514352 4392940 7028704 8785880 14057408 17571760 28114816 35143520 70287040 140574080