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10557330 = 235750273
BaseRepresentation
bin101000010001…
…011110010010
3201212100221020
4220101132102
510200313310
61014140310
7155510250
oct50213622
921770836
1010557330
115a60973
123651696
132258454
14158b5d0
15dd8170
hexa11792

10557330 has 32 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 2413056.

The previous prime is 10557319. The next prime is 10557359. The reversal of 10557330 is 3375501.

It is a super-2 number, since 2×105573302 = 222914433457800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10557330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24927 + ... + 25346.

It is an arithmetic number, because the mean of its divisors is an integer number (904932).

Almost surely, 210557330 is an apocalyptic number.

10557330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10557330 is an abundant number, since it is smaller than the sum of its proper divisors (18400494).

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

10557330 is a wasteful number, since it uses less digits than its factorization.

10557330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50290.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 10557330 is about 3249.2045180321. The cubic root of 10557330 is about 219.3737700924.

It can be divided in two parts, 1055 and 7330, that added together give a triangular number (8385 = T129).

The spelling of 10557330 in words is "ten million, five hundred fifty-seven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 50273 100546 150819 251365 301638 351911 502730 703822 754095 1055733 1508190 1759555 2111466 3519110 5278665 10557330