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11157055 = 5721331113
BaseRepresentation
bin101010100011…
…111000111111
3202222211121021
4222203320333
510324011210
61035045011
7163555600
oct52437077
922884537
1011157055
116330508
1238a0767
132408410
1416a5da7
15ea5bda
hexaa3e3f

11157055 has 48 divisors (see below), whose sum is σ = 17466624. Its totient is φ = 6773760.

The previous prime is 11157053. The next prime is 11157061. The reversal of 11157055 is 55075111.

It is not a de Polignac number, because 11157055 - 21 = 11157053 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98679 + ... + 98791.

It is an arithmetic number, because the mean of its divisors is an integer number (363888).

Almost surely, 211157055 is an apocalyptic number.

11157055 is a deficient number, since it is larger than the sum of its proper divisors (6309569).

11157055 is a wasteful number, since it uses less digits than its factorization.

11157055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 11157055 is about 3340.2178072695. The cubic root of 11157055 is about 223.4514572760.

The spelling of 11157055 in words is "eleven million, one hundred fifty-seven thousand, fifty-five".

Divisors: 1 5 7 13 31 35 49 65 91 113 155 217 245 403 455 565 637 791 1085 1469 1519 2015 2821 3185 3503 3955 5537 7345 7595 10283 14105 17515 19747 24521 27685 45539 51415 71981 98735 122605 171647 227695 318773 359905 858235 1593865 2231411 11157055