Search a number
-
+
4979892 = 223414991
BaseRepresentation
bin10010111111110010110100
3100101000010110
4102333302310
52233324032
6254423020
760220431
oct22776264
910330113
104979892
1128a1515
121801a70
1310548a8
14938b88
156857cc
hex4bfcb4

4979892 has 12 divisors (see below), whose sum is σ = 11619776. Its totient is φ = 1659960.

The previous prime is 4979879. The next prime is 4979893. The reversal of 4979892 is 2989794.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979893) 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, 207484 + ... + 207507.

Almost surely, 24979892 is an apocalyptic number.

It is an amenable number.

4979892 is an abundant number, since it is smaller than the sum of its proper divisors (6639884).

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

4979892 is a wasteful number, since it uses less digits than its factorization.

4979892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414998 (or 414996 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 4979892 is about 2231.5671623323. The cubic root of 4979892 is about 170.7680587160.

The spelling of 4979892 in words is "four million, nine hundred seventy-nine thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 414991 829982 1244973 1659964 2489946 4979892