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11808508 = 222952127
BaseRepresentation
bin101101000010…
…111011111100
3211012221020011
4231002323330
511010333013
61101033004
7202241065
oct55027374
924187204
1011808508
1167359a8
123b55764
1325a5aaa
1417d556c
151083c3d
hexb42efc

11808508 has 6 divisors (see below), whose sum is σ = 20664896. Its totient is φ = 5904252.

The previous prime is 11808497. The next prime is 11808509. The reversal of 11808508 is 80580811.

It is a happy number.

It is a super-2 number, since 2×118085082 = 278881722372128, 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 11808508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1476060 + ... + 1476067.

Almost surely, 211808508 is an apocalyptic number.

It is an amenable number.

11808508 is a deficient number, since it is larger than the sum of its proper divisors (8856388).

11808508 is a wasteful number, since it uses less digits than its factorization.

11808508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952131 (or 2952129 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 11808508 is about 3436.3509715976. The cubic root of 11808508 is about 227.7185148399.

The spelling of 11808508 in words is "eleven million, eight hundred eight thousand, five hundred eight".

Divisors: 1 2 4 2952127 5904254 11808508