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10491424 = 25378861
BaseRepresentation
bin101000000001…
…011000100000
3201202000112021
4220001120200
510141211144
61012511224
7155114146
oct50013040
921660467
1010491424
115a163a9
12361b514
132234458
141571596
15dc3884
hexa01620

10491424 has 24 divisors (see below), whose sum is σ = 21215628. Its totient is φ = 5103360.

The previous prime is 10491421. The next prime is 10491443. The reversal of 10491424 is 42419401.

It can be written as a sum of positive squares in 2 ways, for example, as 7463824 + 3027600 = 2732^2 + 1740^2 .

It is a super-2 number, since 2×104914242 = 220139955095552, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10491421) 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, 3247 + ... + 5614.

Almost surely, 210491424 is an apocalyptic number.

It is an amenable number.

10491424 is an abundant number, since it is smaller than the sum of its proper divisors (10724204).

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

10491424 is an equidigital number, since it uses as much as digits as its factorization.

10491424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908 (or 8900 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10491424 is about 3239.0467733579. The cubic root of 10491424 is about 218.9163236828.

The spelling of 10491424 in words is "ten million, four hundred ninety-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 8861 17722 35444 70888 141776 283552 327857 655714 1311428 2622856 5245712 10491424