Search a number
-
+
130432307 = 413931513
BaseRepresentation
bin1111100011000…
…11110100110011
3100002102122111012
413301203310303
5231342313212
620535341135
73142441055
oct761436463
9302378435
10130432307
11676977a5
12378217ab
132103a4a5
14134738d5
15b6b6922
hex7c63d33

130432307 has 4 divisors (see below), whose sum is σ = 130467960. Its totient is φ = 130396656.

The previous prime is 130432297. The next prime is 130432331. The reversal of 130432307 is 703234031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130432307 - 26 = 130432243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130432387) 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, 11618 + ... + 19895.

It is an arithmetic number, because the mean of its divisors is an integer number (32616990).

Almost surely, 2130432307 is an apocalyptic number.

130432307 is a deficient number, since it is larger than the sum of its proper divisors (35653).

130432307 is an equidigital number, since it uses as much as digits as its factorization.

130432307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35652.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 130432307 is about 11420.6964323547. The cubic root of 130432307 is about 507.1406138176.

Adding to 130432307 its reverse (703234031), we get a palindrome (833666338).

The spelling of 130432307 in words is "one hundred thirty million, four hundred thirty-two thousand, three hundred seven".

Divisors: 1 4139 31513 130432307