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64243060 = 2257458879
BaseRepresentation
bin1111010100010…
…0010101110100
311110212212220121
43311010111310
5112421234220
610212541324
71410025360
oct365042564
9143785817
1064243060
1133299842
1219621844
131040435b
1487642a0
15598eeaa
hex3d44574

64243060 has 24 divisors (see below), whose sum is σ = 154183680. Its totient is φ = 22026144.

The previous prime is 64243021. The next prime is 64243073. The reversal of 64243060 is 6034246.

64243060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229300 + ... + 229579.

It is an arithmetic number, because the mean of its divisors is an integer number (6424320).

Almost surely, 264243060 is an apocalyptic number.

It is an amenable number.

64243060 is an abundant number, since it is smaller than the sum of its proper divisors (89940620).

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

64243060 is a wasteful number, since it uses less digits than its factorization.

64243060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458895 (or 458893 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 64243060 is about 8015.1768539440. The cubic root of 64243060 is about 400.5057353100.

The spelling of 64243060 in words is "sixty-four million, two hundred forty-three thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 458879 917758 1835516 2294395 3212153 4588790 6424306 9177580 12848612 16060765 32121530 64243060