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64452460 = 22523313831
BaseRepresentation
bin1111010111011…
…1011101101100
311111021112011011
43311313131230
5112444434320
610221235004
71411560022
oct365673554
9144245134
1064452460
11334220a6
1219702a64
1310478767
1487ba712
1559d205a
hex3d7776c

64452460 has 24 divisors (see below), whose sum is σ = 135940896. Its totient is φ = 25668480.

The previous prime is 64452449. The next prime is 64452467. The reversal of 64452460 is 6425446.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64452467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256 + ... + 11575.

It is an arithmetic number, because the mean of its divisors is an integer number (5664204).

Almost surely, 264452460 is an apocalyptic number.

It is an amenable number.

64452460 is an abundant number, since it is smaller than the sum of its proper divisors (71488436).

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

64452460 is a wasteful number, since it uses less digits than its factorization.

64452460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073 (or 14071 counting only the distinct ones).

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

The square root of 64452460 is about 8028.2289454150. The cubic root of 64452460 is about 400.9404123290.

The spelling of 64452460 in words is "sixty-four million, four hundred fifty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 233 466 932 1165 2330 4660 13831 27662 55324 69155 138310 276620 3222623 6445246 12890492 16113115 32226230 64452460