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64425374 = 2132477899
BaseRepresentation
bin1111010111000…
…0110110011110
311111020010222222
43311300312132
5112443102444
610220505342
71411415036
oct365606636
9144203888
1064425374
1133403812
12196ab252
1310469330
1487b08c6
1559c8eee
hex3d70d9e

64425374 has 8 divisors (see below), whose sum is σ = 104071800. Its totient is φ = 29734776.

The previous prime is 64425353. The next prime is 64425377. The reversal of 64425374 is 47352446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64425377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238924 + ... + 1238975.

It is an arithmetic number, because the mean of its divisors is an integer number (13008975).

Almost surely, 264425374 is an apocalyptic number.

64425374 is a deficient number, since it is larger than the sum of its proper divisors (39646426).

64425374 is a wasteful number, since it uses less digits than its factorization.

64425374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477914.

The product of its digits is 80640, while the sum is 35.

The square root of 64425374 is about 8026.5418456518. The cubic root of 64425374 is about 400.8842396934.

The spelling of 64425374 in words is "sixty-four million, four hundred twenty-five thousand, three hundred seventy-four".

Divisors: 1 2 13 26 2477899 4955798 32212687 64425374