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130452812 = 227101163283
BaseRepresentation
bin1111100011010…
…00110101001100
3100002110200121122
413301220311030
5231343442222
620540020112
73142554620
oct761506514
9302420548
10130452812
1167701146
1237831638
1321046919
141347b180
15b6bca42
hex7c68d4c

130452812 has 48 divisors (see below), whose sum is σ = 266042112. Its totient is φ = 54820800.

The previous prime is 130452811. The next prime is 130452821. The reversal of 130452812 is 218254031.

It is not an unprimeable number, because it can be changed into a prime (130452811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460823 + ... + 461105.

It is an arithmetic number, because the mean of its divisors is an integer number (5542544).

Almost surely, 2130452812 is an apocalyptic number.

It is an amenable number.

130452812 is an abundant number, since it is smaller than the sum of its proper divisors (135589300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130452812 is a wasteful number, since it uses less digits than its factorization.

130452812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 130452812 is about 11421.5941094052. The cubic root of 130452812 is about 507.1671879429.

The spelling of 130452812 in words is "one hundred thirty million, four hundred fifty-two thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 101 163 202 283 326 404 566 652 707 1132 1141 1414 1981 2282 2828 3962 4564 7924 16463 28583 32926 46129 57166 65852 92258 114332 115241 184516 200081 230482 322903 400162 460964 645806 800324 1291612 4659029 9318058 18636116 32613203 65226406 130452812