Search a number
-
+
64290998 = 264349993
BaseRepresentation
bin1111010101000…
…0000010110110
311110222022200002
43311100002312
5112424302443
610213551302
71410315212
oct365200266
9143868602
1064290998
1133321862
1219645532
1310420115
148777942
15599e2b8
hex3d500b6

64290998 has 8 divisors (see below), whose sum is σ = 96588408. Its totient is φ = 32094864.

The previous prime is 64290983. The next prime is 64291009. The reversal of 64290998 is 89909246.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23711 + ... + 26282.

It is an arithmetic number, because the mean of its divisors is an integer number (12073551).

Almost surely, 264290998 is an apocalyptic number.

64290998 is a deficient number, since it is larger than the sum of its proper divisors (32297410).

64290998 is a wasteful number, since it uses less digits than its factorization.

64290998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50638.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 64290998 is about 8018.1667480790. The cubic root of 64290998 is about 400.6053293123.

The spelling of 64290998 in words is "sixty-four million, two hundred ninety thousand, nine hundred ninety-eight".

Divisors: 1 2 643 1286 49993 99986 32145499 64290998