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130534502 = 279323893
BaseRepresentation
bin1111100011111…
…00110001100110
3100002121211200012
413301330301212
5231404101002
620541450222
73143345030
oct761746146
9302554605
10130534502
116775755a
1237870972
1321074b67
141349cc50
15b6d6d52
hex7c7cc66

130534502 has 8 divisors (see below), whose sum is σ = 223773456. Its totient is φ = 55943352.

The previous prime is 130534501. The next prime is 130534511. The reversal of 130534502 is 205435031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130534501) 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, 4661933 + ... + 4661960.

It is an arithmetic number, because the mean of its divisors is an integer number (27971682).

Almost surely, 2130534502 is an apocalyptic number.

130534502 is a deficient number, since it is larger than the sum of its proper divisors (93238954).

130534502 is an equidigital number, since it uses as much as digits as its factorization.

130534502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323902.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 130534502 is about 11425.1696705126. The cubic root of 130534502 is about 507.2730291330.

Adding to 130534502 its reverse (205435031), we get a palindrome (335969533).

The spelling of 130534502 in words is "one hundred thirty million, five hundred thirty-four thousand, five hundred two".

Divisors: 1 2 7 14 9323893 18647786 65267251 130534502