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58005269 = 721183781
BaseRepresentation
bin1101110101000…
…1011100010101
311001010222021022
43131101130111
5104322132034
65431130525
71303015400
oct335213425
9131128238
1058005269
112a819243
1217513a45
13c02c05a
1479bcd37
15515bb2e
hex3751715

58005269 has 6 divisors (see below), whose sum is σ = 67475574. Its totient is φ = 49718760.

The previous prime is 58005239. The next prime is 58005293. The reversal of 58005269 is 96250085.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 3467044 = 7385^2 + 1862^2 .

It is a de Polignac number, because none of the positive numbers 2k-58005269 is a prime.

It is a super-2 number, since 2×580052692 = 6729222463524722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58005229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 591842 + ... + 591939.

It is an arithmetic number, because the mean of its divisors is an integer number (11245929).

Almost surely, 258005269 is an apocalyptic number.

It is an amenable number.

58005269 is a deficient number, since it is larger than the sum of its proper divisors (9470305).

58005269 is a wasteful number, since it uses less digits than its factorization.

58005269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183795 (or 1183788 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 58005269 is about 7616.1190248052. The cubic root of 58005269 is about 387.0993853452.

The spelling of 58005269 in words is "fifty-eight million, five thousand, two hundred sixty-nine".

Divisors: 1 7 49 1183781 8286467 58005269