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64342614 = 2377121577
BaseRepresentation
bin1111010101110…
…0101001010110
311111001221110210
43311130221112
5112432430424
610215030250
71410621540
oct365345126
9144057423
1064342614
1133357616
121966b386
131043a76b
14878c690
1559ae729
hex3d5ca56

64342614 has 32 divisors (see below), whose sum is σ = 149147136. Its totient is φ = 18123840.

The previous prime is 64342613. The next prime is 64342651. The reversal of 64342614 is 41624346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64342613) 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, 7807 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (4660848).

Almost surely, 264342614 is an apocalyptic number.

64342614 is an abundant number, since it is smaller than the sum of its proper divisors (84804522).

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

64342614 is a wasteful number, since it uses less digits than its factorization.

64342614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21660.

The product of its digits is 13824, while the sum is 30.

The square root of 64342614 is about 8021.3847931638. The cubic root of 64342614 is about 400.7125092395.

The spelling of 64342614 in words is "sixty-four million, three hundred forty-two thousand, six hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 21577 43154 64731 129462 151039 302078 453117 906234 1531967 3063934 4595901 9191802 10723769 21447538 32171307 64342614