Search a number
-
+
2250920920 = 23556273023
BaseRepresentation
bin1000011000101010…
…0101001111011000
312210212111122000111
42012022211033120
514102213432140
61011205014104
7106531340443
oct20612451730
95725448014
102250920920
11a5564a226
125299b4334
1329b44cc91
14174d3465a
15d29297ea
hex862a53d8

2250920920 has 16 divisors (see below), whose sum is σ = 5064572160. Its totient is φ = 900368352.

The previous prime is 2250920891. The next prime is 2250920929. The reversal of 2250920920 is 290290522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250920929) 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, 28136472 + ... + 28136551.

It is an arithmetic number, because the mean of its divisors is an integer number (316535760).

Almost surely, 22250920920 is an apocalyptic number.

2250920920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2250920920 is an abundant number, since it is smaller than the sum of its proper divisors (2813651240).

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

2250920920 is a wasteful number, since it uses less digits than its factorization.

2250920920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56273034 (or 56273030 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2250920920 is about 47443.8712585725. The cubic root of 2250920920 is about 1310.5494499904.

The spelling of 2250920920 in words is "two billion, two hundred fifty million, nine hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 56273023 112546046 225092092 281365115 450184184 562730230 1125460460 2250920920