Search a number
-
+
2315478274 = 21329187107
BaseRepresentation
bin1000101000000011…
…0110010100000010
312222100222111001121
42022000312110002
514220230301044
61021432422454
7111244145344
oct21200662402
95870874047
102315478274
11a8903310a
12547547a2a
132ab9343b5
1417d73b294
15d842c984
hex8a036502

2315478274 has 8 divisors (see below), whose sum is σ = 3473518608. Its totient is φ = 1157638740.

The previous prime is 2315478271. The next prime is 2315478281. The reversal of 2315478274 is 4728745132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23154782742 = 10722879274732038152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2315478274.

It is not an unprimeable number, because it can be changed into a prime (2315478271) 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, 16972 + ... + 70135.

It is an arithmetic number, because the mean of its divisors is an integer number (434189826).

Almost surely, 22315478274 is an apocalyptic number.

2315478274 is a deficient number, since it is larger than the sum of its proper divisors (1158040334).

2315478274 is a wasteful number, since it uses less digits than its factorization.

2315478274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100400.

The product of its digits is 376320, while the sum is 43.

The square root of 2315478274 is about 48119.4168086023. The cubic root of 2315478274 is about 1322.9605789982.

The spelling of 2315478274 in words is "two billion, three hundred fifteen million, four hundred seventy-eight thousand, two hundred seventy-four".

Divisors: 1 2 13291 26582 87107 174214 1157739137 2315478274