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130033254 = 23138391987
BaseRepresentation
bin1111100000000…
…10011001100110
3100001200101002110
413300002121212
5231242031004
620523021450
73136156461
oct760023146
9301611073
10130033254
11674449aa
123766a886
1320c2a970
14133ac2d8
15b638589
hex7c02666

130033254 has 32 divisors (see below), whose sum is σ = 280546560. Its totient is φ = 39942432.

The previous prime is 130033243. The next prime is 130033291. The reversal of 130033254 is 452330031.

It is a self number, because there is not a number n which added to its sum of digits gives 130033254.

It is a congruent number.

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, 64449 + ... + 66435.

It is an arithmetic number, because the mean of its divisors is an integer number (8767080).

Almost surely, 2130033254 is an apocalyptic number.

130033254 is an abundant number, since it is smaller than the sum of its proper divisors (150513306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130033254 is a wasteful number, since it uses less digits than its factorization.

130033254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 130033254 is about 11403.2124421147. The cubic root of 130033254 is about 506.6228925902.

Adding to 130033254 its reverse (452330031), we get a palindrome (582363285).

The spelling of 130033254 in words is "one hundred thirty million, thirty-three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 839 1678 1987 2517 3974 5034 5961 10907 11922 21814 25831 32721 51662 65442 77493 154986 1667093 3334186 5001279 10002558 21672209 43344418 65016627 130033254