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106724520 = 23335719743
BaseRepresentation
bin1100101110001…
…11110010101000
321102211011112000
412113013302220
5204310141040
614331251000
72434100130
oct627076250
9242734460
10106724520
1155274791
122b8a9a60
1319159506
1410261ac0
159582130
hex65c7ca8

106724520 has 256 divisors, whose sum is σ = 428544000. Its totient is φ = 23079168.

The previous prime is 106724509. The next prime is 106724533. The reversal of 106724520 is 25427601.

It is a super-2 number, since 2×1067245202 = 22780246338460800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143269 + ... + 144011.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2106724520 is an apocalyptic number.

106724520 is a gapful number since it is divisible by the number (10) 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 106724520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214272000).

106724520 is an abundant number, since it is smaller than the sum of its proper divisors (321819480).

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

106724520 is a wasteful number, since it uses less digits than its factorization.

106724520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 106724520 is about 10330.7560226733. The cubic root of 106724520 is about 474.3381659913.

The spelling of 106724520 in words is "one hundred six million, seven hundred twenty-four thousand, five hundred twenty".