Search a number
-
+
2590900218 = 232143938901
BaseRepresentation
bin1001101001101101…
…1111111111111010
320200120020100221100
42122123133333322
520301232301333
61105031552230
7121130200644
oct23233377772
96616210840
102590900218
11110a54a755
1260382b676
13323a0806a
141a8153894
151026d4213
hex9a6dfffa

2590900218 has 12 divisors (see below), whose sum is σ = 5613617178. Its totient is φ = 863633400.

The previous prime is 2590900133. The next prime is 2590900219. The reversal of 2590900218 is 8120090952.

It can be written as a sum of positive squares in only one way, i.e., 2558032929 + 32867289 = 50577^2 + 5733^2 .

It is not an unprimeable number, because it can be changed into a prime (2590900219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71969433 + ... + 71969468.

Almost surely, 22590900218 is an apocalyptic number.

2590900218 is an abundant number, since it is smaller than the sum of its proper divisors (3022716960).

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

2590900218 is a wasteful number, since it uses less digits than its factorization.

2590900218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143938909 (or 143938906 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 2590900218 is about 50900.8862201828. The cubic root of 2590900218 is about 1373.4627833146.

The spelling of 2590900218 in words is "two billion, five hundred ninety million, nine hundred thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 143938901 287877802 431816703 863633406 1295450109 2590900218