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130568054 = 2197331391
BaseRepresentation
bin1111100100001…
…00111101110110
3100002200112200212
413302010331312
5231411134204
620542305422
73143544611
oct762047566
9302615625
10130568054
116777a791
1237888272
1321087206
14134ab178
15b6e1c6e
hex7c84f76

130568054 has 8 divisors (see below), whose sum is σ = 196846848. Its totient is φ = 64952440.

The previous prime is 130568051. The next prime is 130568083. The reversal of 130568054 is 450865031.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130568054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130568051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165302 + ... + 166089.

It is an arithmetic number, because the mean of its divisors is an integer number (24605856).

Almost surely, 2130568054 is an apocalyptic number.

130568054 is a deficient number, since it is larger than the sum of its proper divisors (66278794).

130568054 is a wasteful number, since it uses less digits than its factorization.

130568054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331590.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 130568054 is about 11426.6379132271. The cubic root of 130568054 is about 507.3164878007.

The spelling of 130568054 in words is "one hundred thirty million, five hundred sixty-eight thousand, fifty-four".

Divisors: 1 2 197 394 331391 662782 65284027 130568054