Search a number
-
+
2927890388 = 221926737991
BaseRepresentation
bin1010111010000100…
…0000111111010100
321120001100020112202
42232201000333110
521444014443023
61202310504032
7132361441403
oct25641007724
97501306482
102927890388
111272799425
12698665018
13378787727
141dabd563a
1512209d128
hexae840fd4

2927890388 has 12 divisors (see below), whose sum is σ = 5124208992. Its totient is φ = 1463830680.

The previous prime is 2927890309. The next prime is 2927890397. The reversal of 2927890388 is 8830987292.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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, 58073 + ... + 96063.

It is an arithmetic number, because the mean of its divisors is an integer number (427017416).

Almost surely, 22927890388 is an apocalyptic number.

It is an amenable number.

2927890388 is a deficient number, since it is larger than the sum of its proper divisors (2196318604).

2927890388 is a wasteful number, since it uses less digits than its factorization.

2927890388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57262 (or 57260 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 2927890388 is about 54109.9841803710. The cubic root of 2927890388 is about 1430.6001666790.

The spelling of 2927890388 in words is "two billion, nine hundred twenty-seven million, eight hundred ninety thousand, three hundred eighty-eight".

Divisors: 1 2 4 19267 37991 38534 75982 77068 151964 731972597 1463945194 2927890388