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51190738 = 2149283607
BaseRepresentation
bin1100001101000…
…1101111010010
310120022202111021
43003101233102
5101101100423
65025110054
71161054064
oct303215722
9116282437
1051190738
11269943a5
121518832a
13a7b43a1
146b27734
15476295d
hex30d1bd2

51190738 has 16 divisors (see below), whose sum is σ = 77702400. Its totient is φ = 25292016.

The previous prime is 51190729. The next prime is 51190817. The reversal of 51190738 is 83709115.

It is a happy number.

51190738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84031 + ... + 84637.

It is an arithmetic number, because the mean of its divisors is an integer number (4856400).

Almost surely, 251190738 is an apocalyptic number.

51190738 is a deficient number, since it is larger than the sum of its proper divisors (26511662).

51190738 is a wasteful number, since it uses less digits than its factorization.

51190738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 51190738 is about 7154.7702968020. The cubic root of 51190738 is about 371.3047145076.

The spelling of 51190738 in words is "fifty-one million, one hundred ninety thousand, seven hundred thirty-eight".

Divisors: 1 2 149 283 298 566 607 1214 42167 84334 90443 171781 180886 343562 25595369 51190738