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130938227 = 737836091
BaseRepresentation
bin1111100110111…
…11010101110011
3100010101100110222
413303133111303
5232010010402
620554243255
73146646050
oct763372563
9303340428
10130938227
1167a02912
1237a2652b
1321186854
1413566027
15b7667a2
hex7cdf573

130938227 has 16 divisors (see below), whose sum is σ = 155565312. Its totient is φ = 107866080.

The previous prime is 130938211. The next prime is 130938239. The reversal of 130938227 is 722839031.

It is not a de Polignac number, because 130938227 - 24 = 130938211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130938127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18452 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (9722832).

Almost surely, 2130938227 is an apocalyptic number.

130938227 is a deficient number, since it is larger than the sum of its proper divisors (24627085).

130938227 is an equidigital number, since it uses as much as digits as its factorization.

130938227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 130938227 is about 11442.8242580230. The cubic root of 130938227 is about 507.7954657929.

The spelling of 130938227 in words is "one hundred thirty million, nine hundred thirty-eight thousand, two hundred twenty-seven".

Divisors: 1 7 37 83 259 581 3071 6091 21497 42637 225367 505553 1577569 3538871 18705461 130938227