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64240654 = 2172111143
BaseRepresentation
bin1111010100001…
…1110000001110
311110212202121111
43311003300032
5112421200104
610212522234
71410015352
oct365036016
9143782544
1064240654
1133297a55
121962037a
131040322a
148763462
15598e404
hex3d43c0e

64240654 has 12 divisors (see below), whose sum is σ = 102363624. Its totient is φ = 30230624.

The previous prime is 64240651. The next prime is 64240699. The reversal of 64240654 is 45604246.

64240654 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 not an unprimeable number, because it can be changed into a prime (64240651) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 54994 + ... + 56149.

It is an arithmetic number, because the mean of its divisors is an integer number (8530302).

Almost surely, 264240654 is an apocalyptic number.

64240654 is a deficient number, since it is larger than the sum of its proper divisors (38122970).

64240654 is a wasteful number, since it uses less digits than its factorization.

64240654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111179 (or 111162 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 64240654 is about 8015.0267622760. The cubic root of 64240654 is about 400.5007353986.

The spelling of 64240654 in words is "sixty-four million, two hundred forty thousand, six hundred fifty-four".

Divisors: 1 2 17 34 289 578 111143 222286 1889431 3778862 32120327 64240654