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58138998 = 2350919037
BaseRepresentation
bin1101110111001…
…0000101110110
311001101202201020
43131302011312
5104340421443
65434042010
71304113311
oct335620566
9131352636
1058138998
112a8aa765
1217579306
13c077b98
147a15978
155186583
hex3772176

58138998 has 16 divisors (see below), whose sum is σ = 116512560. Its totient is φ = 19340576.

The previous prime is 58138991. The next prime is 58139027. The reversal of 58138998 is 89983185.

It is a self number, because there is not a number n which added to its sum of digits gives 58138998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58138991) 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, 6465 + ... + 12572.

It is an arithmetic number, because the mean of its divisors is an integer number (7282035).

Almost surely, 258138998 is an apocalyptic number.

58138998 is an abundant number, since it is smaller than the sum of its proper divisors (58373562).

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

58138998 is a wasteful number, since it uses less digits than its factorization.

58138998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551.

The product of its digits is 622080, while the sum is 51.

The square root of 58138998 is about 7624.8933107290. The cubic root of 58138998 is about 387.3966381271.

The spelling of 58138998 in words is "fifty-eight million, one hundred thirty-eight thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 509 1018 1527 3054 19037 38074 57111 114222 9689833 19379666 29069499 58138998