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130031254 = 2411585747
BaseRepresentation
bin1111100000000…
…01111010010110
3100001200021100101
413300001322112
5231242000004
620523004314
73136150603
oct760017226
9301607311
10130031254
1167443451
123766969a
1320c29a92
14133ab6aa
15b637ba4
hex7c01e96

130031254 has 8 divisors (see below), whose sum is σ = 199804248. Its totient is φ = 63429840.

The previous prime is 130031243. The next prime is 130031263. The reversal of 130031254 is 452130031.

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

It is a congruent number.

It is an unprimeable number.

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, 792792 + ... + 792955.

It is an arithmetic number, because the mean of its divisors is an integer number (24975531).

Almost surely, 2130031254 is an apocalyptic number.

130031254 is a deficient number, since it is larger than the sum of its proper divisors (69772994).

130031254 is a wasteful number, since it uses less digits than its factorization.

130031254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585790.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130031254 is about 11403.1247471910. The cubic root of 130031254 is about 506.6202951751.

Adding to 130031254 its reverse (452130031), we get a palindrome (582161285).

The spelling of 130031254 in words is "one hundred thirty million, thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 41 82 1585747 3171494 65015627 130031254