Search a number
-
+
7664268 = 223638689
BaseRepresentation
bin11101001111001010001100
3112102101101210
4131033022030
53430224033
6432134420
7122100543
oct35171214
915371353
107664268
114365307
122697410
131784691
14103715a
15a15d63
hex74f28c

7664268 has 12 divisors (see below), whose sum is σ = 17883320. Its totient is φ = 2554752.

The previous prime is 7664249. The next prime is 7664273. The reversal of 7664268 is 8624667.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam 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, 319333 + ... + 319356.

Almost surely, 27664268 is an apocalyptic number.

It is an amenable number.

7664268 is an abundant number, since it is smaller than the sum of its proper divisors (10219052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664268 is a wasteful number, since it uses less digits than its factorization.

7664268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638696 (or 638694 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 7664268 is about 2768.4414387883. The cubic root of 7664268 is about 197.1621570207.

The spelling of 7664268 in words is "seven million, six hundred sixty-four thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 638689 1277378 1916067 2554756 3832134 7664268