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11057455 = 547211223
BaseRepresentation
bin101010001011…
…100100101111
3202210202222101
4222023210233
510312314310
61032555531
7162662323
oct52134457
922722871
1011057455
1162726a2
123852ba7
1323a1c96
14167b983
15e8643a
hexa8b92f

11057455 has 16 divisors (see below), whose sum is σ = 13676544. Its totient is φ = 8578080.

The previous prime is 11057447. The next prime is 11057461. The reversal of 11057455 is 55475011.

It is not a de Polignac number, because 11057455 - 23 = 11057447 is a prime.

It is a super-2 number, since 2×110574552 = 244534622154050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49474 + ... + 49696.

It is an arithmetic number, because the mean of its divisors is an integer number (854784).

Almost surely, 211057455 is an apocalyptic number.

11057455 is a deficient number, since it is larger than the sum of its proper divisors (2619089).

11057455 is a wasteful number, since it uses less digits than its factorization.

11057455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 11057455 is about 3325.2751765831. The cubic root of 11057455 is about 222.7845452655.

The spelling of 11057455 in words is "eleven million, fifty-seven thousand, four hundred fifty-five".

Divisors: 1 5 47 211 223 235 1055 1115 9917 10481 47053 49585 52405 235265 2211491 11057455