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130404934 = 2118536949
BaseRepresentation
bin1111100010111…
…01001001000110
3100002101020221101
413301131021012
5231340424214
620535010314
73142265212
oct761351106
9302336841
10130404934
1167679180
123780999a
132102abaa
1413467942
15b6ad774
hex7c5d246

130404934 has 16 divisors (see below), whose sum is σ = 213670800. Its totient is φ = 59196960.

The previous prime is 130404913. The next prime is 130404947. The reversal of 130404934 is 439404031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15292 + ... + 22240.

It is an arithmetic number, because the mean of its divisors is an integer number (13354425).

Almost surely, 2130404934 is an apocalyptic number.

130404934 is a deficient number, since it is larger than the sum of its proper divisors (83265866).

130404934 is a wasteful number, since it uses less digits than its factorization.

130404934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 130404934 is about 11419.4979749549. The cubic root of 130404934 is about 507.1051345422.

Adding to 130404934 its reverse (439404031), we get a palindrome (569808965).

The spelling of 130404934 in words is "one hundred thirty million, four hundred four thousand, nine hundred thirty-four".

Divisors: 1 2 11 22 853 1706 6949 9383 13898 18766 76439 152878 5927497 11854994 65202467 130404934