[go: up one dir, main page]

Search a number
-
+
130085684 = 2232521421
BaseRepresentation
bin1111100000011…
…11001100110100
3100001210001000022
413300033030310
5231300220214
620524104312
73136465361
oct760171464
9301701008
10130085684
1167480333
1237695098
1320c487a1
14133c3468
15b648d8e
hex7c0f334

130085684 has 6 divisors (see below), whose sum is σ = 227649954. Its totient is φ = 65042840.

The previous prime is 130085671. The next prime is 130085687. The reversal of 130085684 is 486580031.

It can be written as a sum of positive squares in only one way, i.e., 81504784 + 48580900 = 9028^2 + 6970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130085687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16260707 + ... + 16260714.

It is an arithmetic number, because the mean of its divisors is an integer number (37941659).

Almost surely, 2130085684 is an apocalyptic number.

It is an amenable number.

130085684 is a deficient number, since it is larger than the sum of its proper divisors (97564270).

130085684 is a wasteful number, since it uses less digits than its factorization.

130085684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32521425 (or 32521423 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 130085684 is about 11405.5111240137. The cubic root of 130085684 is about 506.6909743263.

The spelling of 130085684 in words is "one hundred thirty million, eighty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 32521421 65042842 130085684