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64674051 = 3131658309
BaseRepresentation
bin1111011010110…
…1100100000011
311111200210010020
43312231210003
5113024032201
610230104523
71413502041
oct366554403
9144623106
1064674051
1133563632
12197ab143
1310525590
148837391
155a27a36
hex3dad903

64674051 has 8 divisors (see below), whose sum is σ = 92865360. Its totient is φ = 39799392.

The previous prime is 64674047. The next prime is 64674053. The reversal of 64674051 is 15047646.

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

It is not a de Polignac number, because 64674051 - 22 = 64674047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64674053) 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, 829116 + ... + 829193.

It is an arithmetic number, because the mean of its divisors is an integer number (11608170).

Almost surely, 264674051 is an apocalyptic number.

64674051 is a deficient number, since it is larger than the sum of its proper divisors (28191309).

64674051 is a wasteful number, since it uses less digits than its factorization.

64674051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658325.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64674051 is about 8042.0178438001. The cubic root of 64674051 is about 401.3993716055.

It can be divided in two parts, 6467405 and 1, that added together give a triangular number (6467406 = T3596).

The spelling of 64674051 in words is "sixty-four million, six hundred seventy-four thousand, fifty-one".

Divisors: 1 3 13 39 1658309 4974927 21558017 64674051