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10389894 = 232516899
BaseRepresentation
bin100111101000…
…100110000110
3201112212020220
4213220212012
510124434034
61010405210
7154212144
oct47504606
921485226
1010389894
115957099
123590806
1321ca188
141546594
15da3749
hex9e8986

10389894 has 16 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 3449000.

The previous prime is 10389889. The next prime is 10389901. The reversal of 10389894 is 49898301.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1944 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 210389894 is an apocalyptic number.

10389894 is an abundant number, since it is smaller than the sum of its proper divisors (10475706).

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

10389894 is a wasteful number, since it uses less digits than its factorization.

10389894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 10389894 is about 3223.3358497060. The cubic root of 10389894 is about 218.2078510288.

The spelling of 10389894 in words is "ten million, three hundred eighty-nine thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 251 502 753 1506 6899 13798 20697 41394 1731649 3463298 5194947 10389894