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51058147 = 723133613
BaseRepresentation
bin1100001011000…
…1010111100011
310120002000121111
43002301113203
5101032330042
65022204151
71156662400
oct302612743
9116060544
1051058147
1126903818
1215123657
13a768c2a
146ad12a7
154738517
hex30b15e3

51058147 has 12 divisors (see below), whose sum is σ = 61311936. Its totient is φ = 42351120.

The previous prime is 51058099. The next prime is 51058193. The reversal of 51058147 is 74185015.

51058147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51058147 - 211 = 51056099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51058247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15288 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (5109328).

Almost surely, 251058147 is an apocalyptic number.

51058147 is a deficient number, since it is larger than the sum of its proper divisors (10253789).

51058147 is a wasteful number, since it uses less digits than its factorization.

51058147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33658 (or 33651 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 51058147 is about 7145.4983731018. The cubic root of 51058147 is about 370.9838606958.

The spelling of 51058147 in words is "fifty-one million, fifty-eight thousand, one hundred forty-seven".

Divisors: 1 7 31 49 217 1519 33613 235291 1042003 1647037 7294021 51058147