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11056031 = 723431597
BaseRepresentation
bin101010001011…
…001110011111
3202210201000122
4222023032133
510312243111
61032545155
7162655220
oct52131637
922721018
1011056031
116271618
1238521bb
1323a143c
14167b247
15e85cdb
hexa8b39f

11056031 has 16 divisors (see below), whose sum is σ = 13499904. Its totient is φ = 8848224.

The previous prime is 11056027. The next prime is 11056039. The reversal of 11056031 is 13065011.

It is not a de Polignac number, because 11056031 - 22 = 11056027 is a prime.

It is a super-3 number, since 3×110560313 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056039) 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, 6125 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (843744).

Almost surely, 211056031 is an apocalyptic number.

11056031 is a deficient number, since it is larger than the sum of its proper divisors (2443873).

11056031 is a wasteful number, since it uses less digits than its factorization.

11056031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 11056031 is about 3325.0610520711. The cubic root of 11056031 is about 222.7749813164.

The spelling of 11056031 in words is "eleven million, fifty-six thousand, thirty-one".

Divisors: 1 7 23 43 161 301 989 1597 6923 11179 36731 68671 257117 480697 1579433 11056031