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2385540964 = 22244212
BaseRepresentation
bin1000111000110000…
…0111011101100100
320011020211001000001
42032030013131210
514341144302324
61032414231044
7113054522632
oct21614073544
96136731001
102385540964
111014637264
12566ab5484
132c02c5601
14188b78352
15de66be44
hex8e307764

2385540964 has 9 divisors (see below), whose sum is σ = 4174867641. Its totient is φ = 1192721640.

The previous prime is 2385540961. The next prime is 2385541001. The reversal of 2385540964 is 4690455832.

The square root of 2385540964 is 48842.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 2385345600 = 442^2 + 48840^2 .

It is a super-4 number, since 4×23855409644 (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2385540961) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85474 + ... + 109894.

Almost surely, 22385540964 is an apocalyptic number.

2385540964 is the 48842-nd square number.

It is an amenable number.

2385540964 is a deficient number, since it is larger than the sum of its proper divisors (1789326677).

2385540964 is an frugal number, since it uses more digits than its factorization.

2385540964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48846 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The cubic root of 2385540964 is about 1336.1717727971.

The spelling of 2385540964 in words is "two billion, three hundred eighty-five million, five hundred forty thousand, nine hundred sixty-four".

Divisors: 1 2 4 24421 48842 97684 596385241 1192770482 2385540964