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10557030 = 2351131991
BaseRepresentation
bin101000010001…
…011001100110
3201212100112010
4220101121212
510200311110
61014135050
7155506341
oct50213146
921770463
1010557030
115a60720
123651486
132258283
14158b458
15dd8020
hexa11666

10557030 has 32 divisors (see below), whose sum is σ = 27641088. Its totient is φ = 2559200.

The previous prime is 10556981. The next prime is 10557031. The reversal of 10557030 is 3075501.

It is a happy number.

It is a super-2 number, since 2×105570302 = 222901764841800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10556988 and 10557006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15666 + ... + 16325.

It is an arithmetic number, because the mean of its divisors is an integer number (863784).

Almost surely, 210557030 is an apocalyptic number.

10557030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10557030 is an abundant number, since it is smaller than the sum of its proper divisors (17084058).

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

10557030 is a wasteful number, since it uses less digits than its factorization.

10557030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32012.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 10557030 is about 3249.1583525584. The cubic root of 10557030 is about 219.3716921442.

It can be divided in two parts, 10 and 557030, that added together give a triangular number (557040 = T1055).

The spelling of 10557030 in words is "ten million, five hundred fifty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 31991 63982 95973 159955 191946 319910 351901 479865 703802 959730 1055703 1759505 2111406 3519010 5278515 10557030