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10490988 = 223874249
BaseRepresentation
bin101000000001…
…010001101100
3201201222221010
4220001101230
510141202423
61012505220
7155112654
oct50012154
921658833
1010490988
115a16042
12361b210
1322341b1
141571364
15dc3693
hexa0146c

10490988 has 12 divisors (see below), whose sum is σ = 24479000. Its totient is φ = 3496992.

The previous prime is 10490981. The next prime is 10491001. The reversal of 10490988 is 88909401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×104909882 = 220121658432288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10490981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437113 + ... + 437136.

Almost surely, 210490988 is an apocalyptic number.

It is an amenable number.

10490988 is an abundant number, since it is smaller than the sum of its proper divisors (13988012).

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

10490988 is a wasteful number, since it uses less digits than its factorization.

10490988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874256 (or 874254 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 10490988 is about 3238.9794689068. The cubic root of 10490988 is about 218.9132910840.

The spelling of 10490988 in words is "ten million, four hundred ninety thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 874249 1748498 2622747 3496996 5245494 10490988