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51227048 = 236403381
BaseRepresentation
bin1100001101101…
…0100110101000
310120101121022002
43003122212220
5101103231143
65025550132
71161264665
oct303324650
9116347262
1051227048
1126a09704
12151a5348
13a7c7a82
146b36a6c
15476d5b8
hex30da9a8

51227048 has 8 divisors (see below), whose sum is σ = 96050730. Its totient is φ = 25613520.

The previous prime is 51227027. The next prime is 51227051. The reversal of 51227048 is 84072215.

It can be written as a sum of positive squares in only one way, i.e., 45185284 + 6041764 = 6722^2 + 2458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 51227048.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201683 + ... + 3201698.

Almost surely, 251227048 is an apocalyptic number.

It is an amenable number.

51227048 is a deficient number, since it is larger than the sum of its proper divisors (44823682).

51227048 is a wasteful number, since it uses less digits than its factorization.

51227048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403387 (or 6403383 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 51227048 is about 7157.3073149055. The cubic root of 51227048 is about 371.3924835606.

The spelling of 51227048 in words is "fifty-one million, two hundred twenty-seven thousand, forty-eight".

Divisors: 1 2 4 8 6403381 12806762 25613524 51227048