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10389904 = 24792767
BaseRepresentation
bin100111101000…
…100110010000
3201112212021021
4213220212100
510124434104
61010405224
7154212160
oct47504620
921485237
1010389904
1159570a8
123590814
1321ca195
1415465a0
15da3754
hex9e8990

10389904 has 20 divisors (see below), whose sum is σ = 23006464. Its totient is φ = 4452768.

The previous prime is 10389901. The next prime is 10389913. The reversal of 10389904 is 40998301.

It is a self number, because there is not a number n which added to its sum of digits gives 10389904.

It is not an unprimeable number, because it can be changed into a prime (10389901) 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, 46272 + ... + 46495.

Almost surely, 210389904 is an apocalyptic number.

10389904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10389904 is an abundant number, since it is smaller than the sum of its proper divisors (12616560).

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

10389904 is an equidigital number, since it uses as much as digits as its factorization.

10389904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92782 (or 92776 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10389904 is about 3223.3374008937. The cubic root of 10389904 is about 218.2079210352.

The spelling of 10389904 in words is "ten million, three hundred eighty-nine thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 92767 185534 371068 649369 742136 1298738 1484272 2597476 5194952 10389904