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2958000157 = 7422571451
BaseRepresentation
bin1011000001001111…
…1000000000011101
321122010222222101101
42300103320000131
522024222001112
61205304113101
7133205405110
oct26023700035
97563888341
102958000157
111288794332
126a6765791
13381a9a668
14200bd2577
15124a49757
hexb04f801d

2958000157 has 4 divisors (see below), whose sum is σ = 3380571616. Its totient is φ = 2535428700.

The previous prime is 2958000139. The next prime is 2958000179. The reversal of 2958000157 is 7510008592.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2958000157 - 219 = 2957475869 is a prime.

It is the 54388-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2958000107) by changing a digit.

It is a nontrivial repunit in base 54387.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211285719 + ... + 211285732.

It is an arithmetic number, because the mean of its divisors is an integer number (845142904).

Almost surely, 22958000157 is an apocalyptic number.

It is an amenable number.

2958000157 is a deficient number, since it is larger than the sum of its proper divisors (422571459).

2958000157 is an equidigital number, since it uses as much as digits as its factorization.

2958000157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422571458.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 2958000157 is about 54387.5000068950. The cubic root of 2958000157 is about 1435.4874421230.

The spelling of 2958000157 in words is "two billion, nine hundred fifty-eight million, one hundred fifty-seven", and thus it is an aban number.

Divisors: 1 7 422571451 2958000157