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2389840996 = 22244432
BaseRepresentation
bin1000111001110010…
…0001010001100100
320011112220111112111
42032130201101210
514343244402441
61033050330404
7113136212314
oct21634412144
96145814474
102389840996
111017003a04
12568429a04
132c116c8ca
14189577444
15dec1b081
hex8e721464

2389840996 has 9 divisors (see below), whose sum is σ = 4182392851. Its totient is φ = 1194871612.

The previous prime is 2389840951. The next prime is 2389840997. The reversal of 2389840996 is 6990489832.

The square root of 2389840996 is 48886.

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

It is a super-2 number, since 2×23898409962 = 11422679972324544032, which contains 22 as substring.

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 2389840996.

It is not an unprimeable number, because it can be changed into a prime (2389840997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85551 + ... + 109993.

Almost surely, 22389840996 is an apocalyptic number.

2389840996 is the 48886-th square number.

It is an amenable number.

2389840996 is a deficient number, since it is larger than the sum of its proper divisors (1792551855).

2389840996 is an frugal number, since it uses more digits than its factorization.

2389840996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48890 (or 24445 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 58.

The cubic root of 2389840996 is about 1336.9741250668.

The spelling of 2389840996 in words is "two billion, three hundred eighty-nine million, eight hundred forty thousand, nine hundred ninety-six".

Divisors: 1 2 4 24443 48886 97772 597460249 1194920498 2389840996