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51058542 = 2310382619
BaseRepresentation
bin1100001011000…
…1011101101110
310120002001011010
43002301131232
5101032333132
65022210050
71156663503
oct302613556
9116061133
1051058542
1126904047
1215123926
13a769172
146ad14aa
1547386cc
hex30b176e

51058542 has 16 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 16854072.

The previous prime is 51058537. The next prime is 51058547. The reversal of 51058542 is 24585015.

It is an interprime number because it is at equal distance from previous prime (51058537) and next prime (51058547).

It is a super-2 number, since 2×510585422 = 5213949422331528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51058547) 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, 40692 + ... + 41927.

It is an arithmetic number, because the mean of its divisors is an integer number (6444360).

Almost surely, 251058542 is an apocalyptic number.

51058542 is an abundant number, since it is smaller than the sum of its proper divisors (52051218).

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

51058542 is a wasteful number, since it uses less digits than its factorization.

51058542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82727.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 51058542 is about 7145.5260128279. The cubic root of 51058542 is about 370.9848173714.

The spelling of 51058542 in words is "fifty-one million, fifty-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 103 206 309 618 82619 165238 247857 495714 8509757 17019514 25529271 51058542