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10051812 = 2232319007
BaseRepresentation
bin100110010110…
…000011100100
3200220200111100
4212112003210
510033124222
6555240100
7151303401
oct46260344
920820440
1010051812
115746091
123449030
13210c324
1414992a8
15d384ac
hex9960e4

10051812 has 36 divisors (see below), whose sum is σ = 26231296. Its totient is φ = 3242160.

The previous prime is 10051801. The next prime is 10051813. The reversal of 10051812 is 21815001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10051813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 5619.

Almost surely, 210051812 is an apocalyptic number.

10051812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10051812 is an abundant number, since it is smaller than the sum of its proper divisors (16179484).

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

10051812 is a wasteful number, since it uses less digits than its factorization.

10051812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 10051812 is about 3170.4592727237. The cubic root of 10051812 is about 215.8149134644.

Adding to 10051812 its reverse (21815001), we get a palindrome (31866813).

The spelling of 10051812 in words is "ten million, fifty-one thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 9007 18014 27021 36028 54042 81063 108084 162126 279217 324252 558434 837651 1116868 1675302 2512953 3350604 5025906 10051812