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244028812 = 221722915671
BaseRepresentation
bin11101000101110…
…01010110001100
3122000011221121011
432202321112030
5444432410222
640114215004
76022132156
oct1642712614
9560157534
10244028812
11115825505
1269884464
133b731861
14245a3ad6
1516654c77
hexe8b958c

244028812 has 24 divisors (see below), whose sum is σ = 454174560. Its totient is φ = 114328320.

The previous prime is 244028809. The next prime is 244028821. The reversal of 244028812 is 218820442.

244028812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2440288122 = 119100122172262688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737 + ... + 23407.

It is an arithmetic number, because the mean of its divisors is an integer number (18923940).

Almost surely, 2244028812 is an apocalyptic number.

It is an amenable number.

244028812 is a deficient number, since it is larger than the sum of its proper divisors (210145748).

244028812 is a wasteful number, since it uses less digits than its factorization.

244028812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921 (or 15919 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 244028812 is about 15621.4215742358. The cubic root of 244028812 is about 624.9045716702.

The spelling of 244028812 in words is "two hundred forty-four million, twenty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 17 34 68 229 458 916 3893 7786 15572 15671 31342 62684 266407 532814 1065628 3588659 7177318 14354636 61007203 122014406 244028812