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51019483 = 59864737
BaseRepresentation
bin1100001010011…
…1111011011011
310120000001120111
43002213323123
5101030110413
65021305151
71156441564
oct302477333
9116001514
1051019483
1126887769
12151051b7
13a754458
146ac116b
15472bd3d
hex30a7edb

51019483 has 4 divisors (see below), whose sum is σ = 51884280. Its totient is φ = 50154688.

The previous prime is 51019469. The next prime is 51019511. The reversal of 51019483 is 38491015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51019483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51019433) 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, 432310 + ... + 432427.

It is an arithmetic number, because the mean of its divisors is an integer number (12971070).

Almost surely, 251019483 is an apocalyptic number.

51019483 is a deficient number, since it is larger than the sum of its proper divisors (864797).

51019483 is an equidigital number, since it uses as much as digits as its factorization.

51019483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864796.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 51019483 is about 7142.7923811350. The cubic root of 51019483 is about 370.8901940107.

The spelling of 51019483 in words is "fifty-one million, nineteen thousand, four hundred eighty-three".

Divisors: 1 59 864737 51019483