Search a number
-
+
2057242554 = 232169767349
BaseRepresentation
bin111101010011111…
…0000011110111010
312022101001202020200
41322213300132322
513203123230204
6540045503030
7101660162463
oct17247603672
95271052220
102057242554
11966294864
12494b71a76
1326a29a1b3
14157319d6a
15c091d539
hex7a9f07ba

2057242554 has 24 divisors (see below), whose sum is σ = 4460051700. Its totient is φ = 685333248.

The previous prime is 2057242529. The next prime is 2057242559. The reversal of 2057242554 is 4552427502.

It can be written as a sum of positive squares in 2 ways, for example, as 2040961329 + 16281225 = 45177^2 + 4035^2 .

It is not an unprimeable number, because it can be changed into a prime (2057242559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3129 + ... + 64220.

Almost surely, 22057242554 is an apocalyptic number.

2057242554 is an abundant number, since it is smaller than the sum of its proper divisors (2402809146).

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

2057242554 is a wasteful number, since it uses less digits than its factorization.

2057242554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69054 (or 69051 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 2057242554 is about 45356.8358023352. The cubic root of 2057242554 is about 1271.8283447312.

The spelling of 2057242554 in words is "two billion, fifty-seven million, two hundred forty-two thousand, five hundred fifty-four".

Divisors: 1 2 3 6 9 18 1697 3394 5091 10182 15273 30546 67349 134698 202047 404094 606141 1212282 114291253 228582506 342873759 685747518 1028621277 2057242554