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51054648 = 2332127277
BaseRepresentation
bin1100001011000…
…0100000111000
310120001211210220
43002300200320
5101032222043
65022140040
71156646241
oct302604070
9116054726
1051054648
1126901127
1215121620
13a767468
146acdcc8
154737483
hex30b0838

51054648 has 16 divisors (see below), whose sum is σ = 127636680. Its totient is φ = 17018208.

The previous prime is 51054629. The next prime is 51054649. The reversal of 51054648 is 84645015.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51054649) 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, 1063615 + ... + 1063662.

Almost surely, 251054648 is an apocalyptic number.

It is an amenable number.

51054648 is an abundant number, since it is smaller than the sum of its proper divisors (76582032).

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

51054648 is a wasteful number, since it uses less digits than its factorization.

51054648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127286 (or 2127282 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 51054648 is about 7145.2535294418. The cubic root of 51054648 is about 370.9753860301.

The spelling of 51054648 in words is "fifty-one million, fifty-four thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 2127277 4254554 6381831 8509108 12763662 17018216 25527324 51054648