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10055540 = 2251145707
BaseRepresentation
bin100110010110…
…111101110100
3200220212121102
4212112331310
510033234130
6555305232
7151320305
oct46267564
920825542
1010055540
115748970
12344b218
132110c31
14149a7ac
15d39645
hex996f74

10055540 has 24 divisors (see below), whose sum is σ = 23036832. Its totient is φ = 3656480.

The previous prime is 10055519. The next prime is 10055569. The reversal of 10055540 is 4555001.

It is a super-2 number, since 2×100555402 = 202227769383200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22634 + ... + 23073.

It is an arithmetic number, because the mean of its divisors is an integer number (959868).

Almost surely, 210055540 is an apocalyptic number.

10055540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10055540 is an abundant number, since it is smaller than the sum of its proper divisors (12981292).

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

10055540 is a wasteful number, since it uses less digits than its factorization.

10055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45727 (or 45725 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 10055540 is about 3171.0471456602. The cubic root of 10055540 is about 215.8415905303.

The spelling of 10055540 in words is "ten million, fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 45707 91414 182828 228535 457070 502777 914140 1005554 2011108 2513885 5027770 10055540