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58991249 = 292034181
BaseRepresentation
bin1110000100001…
…0001010010001
311010000001210002
43201002022101
5110100204444
65504215345
71314263102
oct341021221
9133001702
1058991249
1130331aa9
121790a555
13c2b5a85
147b983a9
1552a3d4e
hex3842291

58991249 has 4 divisors (see below), whose sum is σ = 61025460. Its totient is φ = 56957040.

The previous prime is 58991237. The next prime is 58991263. The reversal of 58991249 is 94219985.

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 15523600 + 43467649 = 3940^2 + 6593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58991249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58991269) 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, 1017062 + ... + 1017119.

It is an arithmetic number, because the mean of its divisors is an integer number (15256365).

Almost surely, 258991249 is an apocalyptic number.

It is an amenable number.

58991249 is a deficient number, since it is larger than the sum of its proper divisors (2034211).

58991249 is a wasteful number, since it uses less digits than its factorization.

58991249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034210.

The product of its digits is 233280, while the sum is 47.

The square root of 58991249 is about 7680.5760851644. The cubic root of 58991249 is about 389.2803933974.

The spelling of 58991249 in words is "fifty-eight million, nine hundred ninety-one thousand, two hundred forty-nine".

Divisors: 1 29 2034181 58991249