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10662988 = 227254403
BaseRepresentation
bin101000101011…
…010001001100
3202001201212111
4220223101030
510212203423
61020313404
7156430300
oct50532114
922051774
1010662988
116023296
1236a2864
13229457b
1415b7d00
15e0960d
hexa2b44c

10662988 has 18 divisors (see below), whose sum is σ = 21707196. Its totient is φ = 4569768.

The previous prime is 10662973. The next prime is 10663027. The reversal of 10662988 is 88926601.

It is a super-2 number, since 2×106629882 = 227398626176288, 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 10662988.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27006 + ... + 27397.

Almost surely, 210662988 is an apocalyptic number.

It is an amenable number.

10662988 is an abundant number, since it is smaller than the sum of its proper divisors (11044208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10662988 is a wasteful number, since it uses less digits than its factorization.

10662988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54421 (or 54412 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 10662988 is about 3265.4230966293. The cubic root of 10662988 is about 220.1031747464.

The spelling of 10662988 in words is "ten million, six hundred sixty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 54403 108806 217612 380821 761642 1523284 2665747 5331494 10662988