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130431322 = 27311492017
BaseRepresentation
bin1111100011000…
…11100101011010
3100002102121010201
413301203211122
5231342300242
620535332414
73142435150
oct761434532
9302377121
10130431322
1167696a8a
123782110a
1321039bc8
14134733d0
15b6b64b7
hex7c6395a

130431322 has 32 divisors (see below), whose sum is σ = 232473600. Its totient is φ = 53706240.

The previous prime is 130431317. The next prime is 130431383. The reversal of 130431322 is 223134031.

It is a self number, because there is not a number n which added to its sum of digits gives 130431322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63658 + ... + 65674.

It is an arithmetic number, because the mean of its divisors is an integer number (7264800).

Almost surely, 2130431322 is an apocalyptic number.

130431322 is a deficient number, since it is larger than the sum of its proper divisors (102042278).

130431322 is a wasteful number, since it uses less digits than its factorization.

130431322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130431322 is about 11420.6533088086. The cubic root of 130431322 is about 507.1393372046.

Adding to 130431322 its reverse (223134031), we get a palindrome (353565353).

It can be divided in two parts, 13043 and 1322, that added together give a triangular number (14365 = T169).

The spelling of 130431322 in words is "one hundred thirty million, four hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 7 14 31 62 149 217 298 434 1043 2017 2086 4034 4619 9238 14119 28238 32333 62527 64666 125054 300533 437689 601066 875378 2103731 4207462 9316523 18633046 65215661 130431322