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51006046 = 2713280253
BaseRepresentation
bin1100001010010…
…0101001011110
310112222101010211
43002210221132
5101024143141
65021123034
71156354450
oct302445136
9115871124
1051006046
1126878663
12150b947a
13a74b2c0
146aba2d0
154727d81
hex30a4a5e

51006046 has 16 divisors (see below), whose sum is σ = 94165344. Its totient is φ = 20178144.

The previous prime is 51006023. The next prime is 51006047. The reversal of 51006046 is 64060015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51006047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139945 + ... + 140308.

It is an arithmetic number, because the mean of its divisors is an integer number (5885334).

Almost surely, 251006046 is an apocalyptic number.

51006046 is a deficient number, since it is larger than the sum of its proper divisors (43159298).

51006046 is a wasteful number, since it uses less digits than its factorization.

51006046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280275.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51006046 is about 7141.8517206674. The cubic root of 51006046 is about 370.8576307047.

The spelling of 51006046 in words is "fifty-one million, six thousand, forty-six".

Divisors: 1 2 7 13 14 26 91 182 280253 560506 1961771 3643289 3923542 7286578 25503023 51006046