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58102997 = 149389953
BaseRepresentation
bin1101110110100…
…1010011010101
311001022221022212
43131221103111
5104333243442
65433203205
71303603331
oct335512325
9131287285
1058102997
112a885707
1217560505
13c064694
147a067c1
15517aa82
hex37694d5

58102997 has 4 divisors (see below), whose sum is σ = 58493100. Its totient is φ = 57712896.

The previous prime is 58102943. The next prime is 58103009. The reversal of 58102997 is 79920185.

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 9186961 + 48916036 = 3031^2 + 6994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-58102997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58102937) 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, 194828 + ... + 195125.

It is an arithmetic number, because the mean of its divisors is an integer number (14623275).

Almost surely, 258102997 is an apocalyptic number.

It is an amenable number.

58102997 is a deficient number, since it is larger than the sum of its proper divisors (390103).

58102997 is a wasteful number, since it uses less digits than its factorization.

58102997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390102.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 58102997 is about 7622.5321908143. The cubic root of 58102997 is about 387.3166599912.

The spelling of 58102997 in words is "fifty-eight million, one hundred two thousand, nine hundred ninety-seven".

Divisors: 1 149 389953 58102997