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64343427 = 375128559
BaseRepresentation
bin1111010101110…
…0110110000011
311111001222120220
43311130312003
5112432442202
610215034123
71410624111
oct365346603
9144058526
1064343427
1133358195
121966b943
131043ac45
14878cab1
1559aeabc
hex3d5cd83

64343427 has 8 divisors (see below), whose sum is σ = 85908480. Its totient is φ = 42837000.

The previous prime is 64343417. The next prime is 64343429. The reversal of 64343427 is 72434346.

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

It is not a de Polignac number, because 64343427 - 210 = 64342403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64343429) 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, 12027 + ... + 16532.

It is an arithmetic number, because the mean of its divisors is an integer number (10738560).

Almost surely, 264343427 is an apocalyptic number.

64343427 is a deficient number, since it is larger than the sum of its proper divisors (21565053).

64343427 is a wasteful number, since it uses less digits than its factorization.

64343427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29313.

The product of its digits is 48384, while the sum is 33.

The square root of 64343427 is about 8021.4354700390. The cubic root of 64343427 is about 400.7141969645.

The spelling of 64343427 in words is "sixty-four million, three hundred forty-three thousand, four hundred twenty-seven".

Divisors: 1 3 751 2253 28559 85677 21447809 64343427