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64056349 = 79150907
BaseRepresentation
bin1111010001011…
…0110000011101
311110112101210101
43310112300131
5112344300344
610204541101
71405320130
oct364266035
9143471711
1064056349
1133181535
1219551791
131036a386
148716217
1559549d4
hex3d16c1d

64056349 has 4 divisors (see below), whose sum is σ = 73207264. Its totient is φ = 54905436.

The previous prime is 64056269. The next prime is 64056371. The reversal of 64056349 is 94365046.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64056349 - 219 = 63532061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64056149) 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, 4575447 + ... + 4575460.

It is an arithmetic number, because the mean of its divisors is an integer number (18301816).

Almost surely, 264056349 is an apocalyptic number.

It is an amenable number.

64056349 is a deficient number, since it is larger than the sum of its proper divisors (9150915).

64056349 is an equidigital number, since it uses as much as digits as its factorization.

64056349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150914.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 64056349 is about 8003.5210376434. The cubic root of 64056349 is about 400.1173593136.

The spelling of 64056349 in words is "sixty-four million, fifty-six thousand, three hundred forty-nine".

Divisors: 1 7 9150907 64056349