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130505302 = 265252651
BaseRepresentation
bin1111100011101…
…01101001010110
3100002120100121201
413301311221112
5231402132202
620541103114
73143163634
oct761655126
9302510551
10130505302
1167737624
1237857a9a
1321064795
1413492354
15b6cd387
hex7c75a56

130505302 has 4 divisors (see below), whose sum is σ = 195757956. Its totient is φ = 65252650.

The previous prime is 130505279. The next prime is 130505317. The reversal of 130505302 is 203505031.

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

It is a super-2 number, since 2×1305053022 = 34063267700222408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130505302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32626324 + ... + 32626327.

It is an arithmetic number, because the mean of its divisors is an integer number (48939489).

Almost surely, 2130505302 is an apocalyptic number.

130505302 is a deficient number, since it is larger than the sum of its proper divisors (65252654).

130505302 is an equidigital number, since it uses as much as digits as its factorization.

130505302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65252653.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 130505302 is about 11423.8917186745. The cubic root of 130505302 is about 507.2352013893.

The spelling of 130505302 in words is "one hundred thirty million, five hundred five thousand, three hundred two".

Divisors: 1 2 65252651 130505302