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130550254 = 21923149371
BaseRepresentation
bin1111100100000…
…00100111101110
3100002122122021121
413302000213232
5231410102004
620542051154
73143441662
oct762004756
9302578247
10130550254
116776837a
1237879aba
132107c093
14134a48a2
15b6db854
hex7c809ee

130550254 has 16 divisors (see below), whose sum is σ = 215095680. Its totient is φ = 59150520.

The previous prime is 130550243. The next prime is 130550261. The reversal of 130550254 is 452055031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73812 + ... + 75559.

It is an arithmetic number, because the mean of its divisors is an integer number (13443480).

Almost surely, 2130550254 is an apocalyptic number.

130550254 is a deficient number, since it is larger than the sum of its proper divisors (84545426).

130550254 is a wasteful number, since it uses less digits than its factorization.

130550254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149415.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 130550254 is about 11425.8590049064. The cubic root of 130550254 is about 507.2934330447.

The spelling of 130550254 in words is "one hundred thirty million, five hundred fifty thousand, two hundred fifty-four".

Divisors: 1 2 19 23 38 46 437 874 149371 298742 2838049 3435533 5676098 6871066 65275127 130550254