Search a number
-
+
2928998872 = 231133240043
BaseRepresentation
bin1010111010010100…
…1111100111011000
321120010102120002201
42232211033213120
521444310430442
61202350335544
7132404036212
oct25645174730
97503376081
102928998872
111273386228
12698aba5b4
13378a85137
141db0035b2
1512221b7b7
hexae94f9d8

2928998872 has 16 divisors (see below), whose sum is σ = 5540475240. Its totient is φ = 1451538816.

The previous prime is 2928998801. The next prime is 2928998873. The reversal of 2928998872 is 2788998292.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928998873) 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, 1619118 + ... + 1620925.

Almost surely, 22928998872 is an apocalyptic number.

It is an amenable number.

2928998872 is a deficient number, since it is larger than the sum of its proper divisors (2611476368).

2928998872 is a wasteful number, since it uses less digits than its factorization.

2928998872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240162 (or 3240158 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 64.

The square root of 2928998872 is about 54120.2260896977. The cubic root of 2928998872 is about 1430.7806831490.

The spelling of 2928998872 in words is "two billion, nine hundred twenty-eight million, nine hundred ninety-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 113 226 452 904 3240043 6480086 12960172 25920344 366124859 732249718 1464499436 2928998872