Search a number
-
+
2316245221 = 10197723473
BaseRepresentation
bin1000101000001111…
…0001100011100101
312222102102110010001
42022003301203211
514220424321341
61021501101301
7111253521343
oct21203614345
95872373101
102316245221
11a89507354
12547857831
132abb42504
1417d89a993
15d852ed31
hex8a0f18e5

2316245221 has 8 divisors (see below), whose sum is σ = 2341672344. Its totient is φ = 2290867200.

The previous prime is 2316245209. The next prime is 2316245231. The reversal of 2316245221 is 1225426132.

It can be written as a sum of positive squares in 4 ways, for example, as 2139062500 + 177182721 = 46250^2 + 13311^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2316245221 - 211 = 2316243173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2316245221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316245231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86941 + ... + 110413.

It is an arithmetic number, because the mean of its divisors is an integer number (292709043).

Almost surely, 22316245221 is an apocalyptic number.

It is an amenable number.

2316245221 is a deficient number, since it is larger than the sum of its proper divisors (25427123).

2316245221 is a wasteful number, since it uses less digits than its factorization.

2316245221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24551.

The product of its digits is 5760, while the sum is 28.

The square root of 2316245221 is about 48127.3853538710. The cubic root of 2316245221 is about 1323.1066292627.

The spelling of 2316245221 in words is "two billion, three hundred sixteen million, two hundred forty-five thousand, two hundred twenty-one".

Divisors: 1 101 977 23473 98677 2370773 22933121 2316245221