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10557745 = 5111391381
BaseRepresentation
bin101000010001…
…100100110001
3201212101111121
4220101210301
510200321440
61014142241
7155511412
oct50214461
921771447
1010557745
115a61210
123651981
1322586b3
14158b809
15dd834a
hexa11931

10557745 has 16 divisors (see below), whose sum is σ = 13930560. Its totient is φ = 7617600.

The previous prime is 10557737. The next prime is 10557773. The reversal of 10557745 is 54775501.

It is a happy number.

It is not a de Polignac number, because 10557745 - 23 = 10557737 is a prime.

It is a super-2 number, since 2×105577452 = 222931958970050, 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 10557745.

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, 6955 + ... + 8335.

It is an arithmetic number, because the mean of its divisors is an integer number (870660).

Almost surely, 210557745 is an apocalyptic number.

It is an amenable number.

10557745 is a deficient number, since it is larger than the sum of its proper divisors (3372815).

10557745 is a wasteful number, since it uses less digits than its factorization.

10557745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 10557745 is about 3249.2683791894. The cubic root of 10557745 is about 219.3766445225.

It can be divided in two parts, 10 and 557745, that added together give a palindrome (557755).

The spelling of 10557745 in words is "ten million, five hundred fifty-seven thousand, seven hundred forty-five".

Divisors: 1 5 11 55 139 695 1381 1529 6905 7645 15191 75955 191959 959795 2111549 10557745