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64248001 = 103623767
BaseRepresentation
bin1111010100010…
…1100011000001
311110220010200121
43311011203001
5112421414001
610213020241
71410045646
oct365054301
9143803617
1064248001
11332a2524
1219624681
131040668c
148765dcd
1559916a1
hex3d458c1

64248001 has 4 divisors (see below), whose sum is σ = 64871872. Its totient is φ = 63624132.

The previous prime is 64247983. The next prime is 64248053. The reversal of 64248001 is 10084246.

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 64248001 - 29 = 64247489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64248061) 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, 311781 + ... + 311986.

It is an arithmetic number, because the mean of its divisors is an integer number (16217968).

Almost surely, 264248001 is an apocalyptic number.

It is an amenable number.

64248001 is a deficient number, since it is larger than the sum of its proper divisors (623871).

64248001 is a wasteful number, since it uses less digits than its factorization.

64248001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623870.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 64248001 is about 8015.4850757768. The cubic root of 64248001 is about 400.5160028165.

The spelling of 64248001 in words is "sixty-four million, two hundred forty-eight thousand, one".

Divisors: 1 103 623767 64248001