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10391424 = 27327061
BaseRepresentation
bin100111101000…
…111110000000
3201112221100120
4213220332000
510130011144
61010420240
7154216461
oct47507600
921487316
1010391424
11595825a
123591680
1321caa94
141546d68
15da3e19
hex9e8f80

10391424 has 32 divisors (see below), whose sum is σ = 27603240. Its totient is φ = 3463680.

The previous prime is 10391419. The next prime is 10391441. The reversal of 10391424 is 42419301.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 10391394 and 10391403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13147 + ... + 13914.

Almost surely, 210391424 is an apocalyptic number.

It is an amenable number.

10391424 is an abundant number, since it is smaller than the sum of its proper divisors (17211816).

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

10391424 is an equidigital number, since it uses as much as digits as its factorization.

10391424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27078 (or 27066 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10391424 is about 3223.5731727386. The cubic root of 10391424 is about 218.2185614886.

The spelling of 10391424 in words is "ten million, three hundred ninety-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 27061 54122 81183 108244 162366 216488 324732 432976 649464 865952 1298928 1731904 2597856 3463808 5195712 10391424