Search a number
-
+
4889992 = 231953607
BaseRepresentation
bin10010101001110110001000
3100012102210211
4102221312020
52222434432
6252450504
756364352
oct22516610
910172724
104889992
11283aa18
121779a34
1310229b3
149140d2
15668d47
hex4a9d88

4889992 has 32 divisors (see below), whose sum is σ = 9849600. Its totient is φ = 2268864.

The previous prime is 4889987. The next prime is 4889993. The reversal of 4889992 is 2999884.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4889993) 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, 7753 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 24889992 is an apocalyptic number.

It is an amenable number.

4889992 is an abundant number, since it is smaller than the sum of its proper divisors (4959608).

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

4889992 is a wasteful number, since it uses less digits than its factorization.

4889992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 681 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 4889992 is about 2211.3326298863. The cubic root of 4889992 is about 169.7342098053.

The spelling of 4889992 in words is "four million, eight hundred eighty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 19 38 53 76 106 152 212 424 607 1007 1214 2014 2428 4028 4856 8056 11533 23066 32171 46132 64342 92264 128684 257368 611249 1222498 2444996 4889992