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51168048 = 2431066001
BaseRepresentation
bin1100001100110…
…0001100110000
310120021121100220
43003030030300
5101044334143
65024413040
71160630661
oct303141460
9116247326
1051168048
1126979348
1215177180
13a7a6c69
146b1d368
15475ad83
hex30cc330

51168048 has 20 divisors (see below), whose sum is σ = 132184248. Its totient is φ = 17056000.

The previous prime is 51168023. The next prime is 51168049. The reversal of 51168048 is 84086115.

It is a super-2 number, since 2×511680482 = 5236338272260608, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (51168049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532953 + ... + 533048.

Almost surely, 251168048 is an apocalyptic number.

It is an amenable number.

51168048 is an abundant number, since it is smaller than the sum of its proper divisors (81016200).

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

51168048 is a wasteful number, since it uses less digits than its factorization.

51168048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066012 (or 1066006 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 51168048 is about 7153.1844656768. The cubic root of 51168048 is about 371.2498468410.

The spelling of 51168048 in words is "fifty-one million, one hundred sixty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1066001 2132002 3198003 4264004 6396006 8528008 12792012 17056016 25584024 51168048