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130404465 = 3353726107
BaseRepresentation
bin1111100010111…
…01000001110001
3100002101020022000
413301131001301
5231340420330
620535004213
73142263642
oct761350161
9302336260
10130404465
1167678894
1237809669
132102a909
14134676c9
15b6ad560
hex7c5d071

130404465 has 32 divisors (see below), whose sum is σ = 238104960. Its totient is φ = 67666752.

The previous prime is 130404451. The next prime is 130404481. The reversal of 130404465 is 564404031.

It is not a de Polignac number, because 130404465 - 218 = 130142321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8059 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (7440780).

Almost surely, 2130404465 is an apocalyptic number.

130404465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130404465 is a deficient number, since it is larger than the sum of its proper divisors (107700495).

130404465 is a wasteful number, since it uses less digits than its factorization.

130404465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26158 (or 26152 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 130404465 is about 11419.4774398831. The cubic root of 130404465 is about 507.1045266087.

Adding to 130404465 its reverse (564404031), we get a palindrome (694808496).

The spelling of 130404465 in words is "one hundred thirty million, four hundred four thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 27 37 45 111 135 185 333 555 999 1665 4995 26107 78321 130535 234963 391605 704889 965959 1174815 2897877 3524445 4829795 8693631 14489385 26080893 43468155 130404465