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130726852 = 2241277919
BaseRepresentation
bin1111100101010…
…11101111000100
3100002222121112021
413302223233010
5231431224402
620545532524
73145105564
oct762535704
9302877467
10130726852
1167879023
1237944144
1321111589
141350cda4
15b723d37
hex7cabbc4

130726852 has 12 divisors (see below), whose sum is σ = 228856320. Its totient is φ = 65339336.

The previous prime is 130726829. The next prime is 130726853. The reversal of 130726852 is 258627031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130726853) 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, 12549 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (19071360).

Almost surely, 2130726852 is an apocalyptic number.

It is an amenable number.

130726852 is a deficient number, since it is larger than the sum of its proper divisors (98129468).

130726852 is a wasteful number, since it uses less digits than its factorization.

130726852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 130726852 is about 11433.5843898578. The cubic root of 130726852 is about 507.5220720500.

The spelling of 130726852 in words is "one hundred thirty million, seven hundred twenty-six thousand, eight hundred fifty-two".

Divisors: 1 2 4 4127 7919 8254 15838 16508 31676 32681713 65363426 130726852