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130154244 = 2231117311871
BaseRepresentation
bin1111100000111…
…11111100000100
3100001220112001120
413300133330010
5231304413434
620525353540
73140202303
oct760377404
9301815046
10130154244
11675178a0
12377088b0
1320c70a5c
141340043a
15b65e349
hex7c1ff04

130154244 has 96 divisors (see below), whose sum is σ = 362299392. Its totient is φ = 35904000.

The previous prime is 130154243. The next prime is 130154257. The reversal of 130154244 is 442451031.

It is not an unprimeable number, because it can be changed into a prime (130154243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68629 + ... + 70499.

It is an arithmetic number, because the mean of its divisors is an integer number (3773952).

Almost surely, 2130154244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130154244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181149696).

130154244 is an abundant number, since it is smaller than the sum of its proper divisors (232145148).

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

130154244 is a wasteful number, since it uses less digits than its factorization.

130154244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 130154244 is about 11408.5162926649. The cubic root of 130154244 is about 506.7799736972.

The spelling of 130154244 in words is "one hundred thirty million, one hundred fifty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 17 22 31 33 34 44 51 62 66 68 93 102 124 132 186 187 204 341 372 374 527 561 682 748 1023 1054 1122 1364 1581 1871 2046 2108 2244 3162 3742 4092 5613 5797 6324 7484 11226 11594 17391 20581 22452 23188 31807 34782 41162 58001 61743 63614 69564 82324 95421 116002 123486 127228 174003 190842 232004 246972 348006 349877 381684 638011 696012 699754 986017 1049631 1276022 1399508 1914033 1972034 2099262 2552044 2958051 3828066 3944068 4198524 5916102 7656132 10846187 11832204 21692374 32538561 43384748 65077122 130154244