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58007144 = 2313557761
BaseRepresentation
bin1101110101000…
…1111001101000
311001011001211202
43131101321220
5104322212034
65431143332
71303024016
oct335217150
9131131752
1058007144
112a81a698
1217514b48
13c02cb70
1479bd8b6
15515c47e
hex3751e68

58007144 has 16 divisors (see below), whose sum is σ = 117130020. Its totient is φ = 26772480.

The previous prime is 58007143. The next prime is 58007149. The reversal of 58007144 is 44170085.

It can be written as a sum of positive squares in 2 ways, for example, as 57304900 + 702244 = 7570^2 + 838^2 .

It is not an unprimeable number, because it can be changed into a prime (58007141) 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, 278777 + ... + 278984.

Almost surely, 258007144 is an apocalyptic number.

It is an amenable number.

58007144 is an abundant number, since it is smaller than the sum of its proper divisors (59122876).

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

58007144 is a wasteful number, since it uses less digits than its factorization.

58007144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557780 (or 557776 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 58007144 is about 7616.2421180002. The cubic root of 58007144 is about 387.1035562509.

The spelling of 58007144 in words is "fifty-eight million, seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 557761 1115522 2231044 4462088 7250893 14501786 29003572 58007144