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58918969 = 109540541
BaseRepresentation
bin1110000011000…
…0100000111001
311002212101122001
43200300200321
5110040401334
65502501001
71313542264
oct340604071
9132771561
1058918969
113029276a
1217894761
13c28bbc5
147b79cdb
15528c714
hex3830839

58918969 has 4 divisors (see below), whose sum is σ = 59459620. Its totient is φ = 58378320.

The previous prime is 58918967. The next prime is 58918973. The reversal of 58918969 is 96981985.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26656569 + 32262400 = 5163^2 + 5680^2 .

It is a cyclic number.

It is not a de Polignac number, because 58918969 - 21 = 58918967 is a prime.

It is a super-2 number, since 2×589189692 = 6942889816045922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58918963) 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, 270162 + ... + 270379.

It is an arithmetic number, because the mean of its divisors is an integer number (14864905).

Almost surely, 258918969 is an apocalyptic number.

It is an amenable number.

58918969 is a deficient number, since it is larger than the sum of its proper divisors (540651).

58918969 is a wasteful number, since it uses less digits than its factorization.

58918969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540650.

The product of its digits is 1399680, while the sum is 55.

The square root of 58918969 is about 7675.8692667346. The cubic root of 58918969 is about 389.1213376788.

The spelling of 58918969 in words is "fifty-eight million, nine hundred eighteen thousand, nine hundred sixty-nine".

Divisors: 1 109 540541 58918969