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130919364 = 223219072
BaseRepresentation
bin1111100110110…
…10101111000100
3100010100101121100
413303122233010
5232003404424
620554020100
73146540052
oct763325704
9303311540
10130919364
116799a724
1237a17630
132117b0a4
141355d1d2
15b760dc9
hex7cdabc4

130919364 has 27 divisors (see below), whose sum is σ = 331108687. Its totient is φ = 43616904.

The previous prime is 130919351. The next prime is 130919387. The reversal of 130919364 is 463919031.

The square root of 130919364 is 11442.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67699 + ... + 69605.

Almost surely, 2130919364 is an apocalyptic number.

130919364 is the 11442-nd square number.

It is an amenable number.

130919364 is an abundant number, since it is smaller than the sum of its proper divisors (200189323).

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

130919364 is an equidigital number, since it uses as much as digits as its factorization.

130919364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The cubic root of 130919364 is about 507.7710802332.

Multiplying 130919364 by its sum of digits (36), we get a square (4713097104 = 686522).

130919364 divided by its sum of digits (36) gives a square (3636649 = 19072).

The spelling of 130919364 in words is "one hundred thirty million, nine hundred nineteen thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1907 3814 5721 7628 11442 17163 22884 34326 68652 3636649 7273298 10909947 14546596 21819894 32729841 43639788 65459682 130919364