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130292371 = 1173162257
BaseRepresentation
bin1111100010000…
…01101010010011
3100002011112112101
413301001222103
5231323323441
620532341231
73141316066
oct761015223
9302145471
10130292371
1167601650
1237774817
1320cbb8a1
14134388dd
15b68a231
hex7c41a93

130292371 has 8 divisors (see below), whose sum is σ = 144085104. Its totient is φ = 116824320.

The previous prime is 130292359. The next prime is 130292377. The reversal of 130292371 is 173292031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130292371 - 25 = 130292339 is a prime.

It is a super-2 number, since 2×1302923712 = 33952203881603282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130292377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80326 + ... + 81931.

It is an arithmetic number, because the mean of its divisors is an integer number (18010638).

Almost surely, 2130292371 is an apocalyptic number.

130292371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130292371 is a deficient number, since it is larger than the sum of its proper divisors (13792733).

130292371 is a wasteful number, since it uses less digits than its factorization.

130292371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162341.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 130292371 is about 11414.5683667846. The cubic root of 130292371 is about 506.9591847809.

It can be divided in two parts, 13029 and 2371, that added together give a triangular number (15400 = T175).

The spelling of 130292371 in words is "one hundred thirty million, two hundred ninety-two thousand, three hundred seventy-one".

Divisors: 1 11 73 803 162257 1784827 11844761 130292371