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10857012 = 22323139283
BaseRepresentation
bin101001011010…
…101000110100
3202102121000120
4221122220310
510234411022
61024411540
7161166045
oct51325064
922377016
1010857012
116146041
123776bb0
13233198a
1416288cc
15e46d5c
hexa5aa34

10857012 has 48 divisors (see below), whose sum is σ = 26718720. Its totient is φ = 3424608.

The previous prime is 10857001. The next prime is 10857017. The reversal of 10857012 is 21075801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38223 + ... + 38505.

It is an arithmetic number, because the mean of its divisors is an integer number (556640).

Almost surely, 210857012 is an apocalyptic number.

10857012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10857012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13359360).

10857012 is an abundant number, since it is smaller than the sum of its proper divisors (15861708).

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

10857012 is a wasteful number, since it uses less digits than its factorization.

10857012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 10857012 is about 3294.9980273135. The cubic root of 10857012 is about 221.4301593662.

The spelling of 10857012 in words is "ten million, eight hundred fifty-seven thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 139 276 278 283 417 556 566 834 849 1132 1668 1698 3197 3396 6394 6509 9591 12788 13018 19182 19527 26036 38364 39054 39337 78108 78674 118011 157348 236022 472044 904751 1809502 2714253 3619004 5428506 10857012