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64407484 = 2247342593
BaseRepresentation
bin1111010110110…
…0011110111100
311111012020110101
43311230132330
5112442014414
610220250444
71411311631
oct365543674
9144166411
1064407484
11333a1329
12196a0a24
131046114b
1487a8188
1559c3a74
hex3d6c7bc

64407484 has 12 divisors (see below), whose sum is σ = 115111584. Its totient is φ = 31518464.

The previous prime is 64407481. The next prime is 64407493. The reversal of 64407484 is 48470446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64407481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171109 + ... + 171484.

It is an arithmetic number, because the mean of its divisors is an integer number (9592632).

Almost surely, 264407484 is an apocalyptic number.

It is an amenable number.

64407484 is a deficient number, since it is larger than the sum of its proper divisors (50704100).

64407484 is a wasteful number, since it uses less digits than its factorization.

64407484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342644 (or 342642 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 64407484 is about 8025.4273406467. The cubic root of 64407484 is about 400.8471296618.

It can be divided in two parts, 6440 and 7484, that added together give a square (13924 = 1182).

The spelling of 64407484 in words is "sixty-four million, four hundred seven thousand, four hundred eighty-four".

Divisors: 1 2 4 47 94 188 342593 685186 1370372 16101871 32203742 64407484