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51225368 = 23192911621
BaseRepresentation
bin1100001101101…
…0001100011000
310120101111222212
43003122030120
5101103202433
65025534252
71161260045
oct303321430
9116344885
1051225368
1126a08417
12151a4388
13a7c708c
146b361cc
15476cd48
hex30da318

51225368 has 32 divisors (see below), whose sum is σ = 104598000. Its totient is φ = 23425920.

The previous prime is 51225331. The next prime is 51225371. The reversal of 51225368 is 86352215.

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, 1403 + ... + 10218.

Almost surely, 251225368 is an apocalyptic number.

51225368 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51225368 is an abundant number, since it is smaller than the sum of its proper divisors (53372632).

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

51225368 is a wasteful number, since it uses less digits than its factorization.

51225368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675 (or 11671 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 51225368 is about 7157.1899513706. The cubic root of 51225368 is about 371.3884235557.

The spelling of 51225368 in words is "fifty-one million, two hundred twenty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 19 29 38 58 76 116 152 232 551 1102 2204 4408 11621 23242 46484 92968 220799 337009 441598 674018 883196 1348036 1766392 2696072 6403171 12806342 25612684 51225368