Search a number
-
+
2315256620 = 225115762831
BaseRepresentation
bin1000101000000000…
…0000001100101100
312222100120020000012
42022000000030230
514220201202440
61021423552352
7111242233205
oct21200001454
95870506005
102315256620
11a889a1626
1254745b6b8
132ab887541
1417d6c05ac
15d83d6e65
hex8a00032c

2315256620 has 12 divisors (see below), whose sum is σ = 4862038944. Its totient is φ = 926102640.

The previous prime is 2315256617. The next prime is 2315256637. The reversal of 2315256620 is 266525132.

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, 57881396 + ... + 57881435.

It is an arithmetic number, because the mean of its divisors is an integer number (405169912).

Almost surely, 22315256620 is an apocalyptic number.

2315256620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315256620 is an abundant number, since it is smaller than the sum of its proper divisors (2546782324).

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

2315256620 is a wasteful number, since it uses less digits than its factorization.

2315256620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115762840 (or 115762838 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2315256620 is about 48117.1135875792. The cubic root of 2315256620 is about 1322.9183632618.

The spelling of 2315256620 in words is "two billion, three hundred fifteen million, two hundred fifty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 115762831 231525662 463051324 578814155 1157628310 2315256620