Search a number
-
+
2542869908 = 22897142893
BaseRepresentation
bin1001011110010001…
…0001110110010100
320120012212011201222
42113210101312110
520201433314113
61100154305512
7120005015615
oct22744216624
96505764658
102542869908
111095424887
125ab728298
13316a8c367
141a1a0dc0c
15ed397e08
hex97911d94

2542869908 has 12 divisors (see below), whose sum is σ = 4500023220. Its totient is φ = 1257148992.

The previous prime is 2542869907. The next prime is 2542869919. The reversal of 2542869908 is 8099682452.

It can be written as a sum of positive squares in 2 ways, for example, as 284529424 + 2258340484 = 16868^2 + 47522^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2542869908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542869907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571091 + ... + 3571802.

It is an arithmetic number, because the mean of its divisors is an integer number (375001935).

Almost surely, 22542869908 is an apocalyptic number.

It is an amenable number.

2542869908 is a deficient number, since it is larger than the sum of its proper divisors (1957153312).

2542869908 is a wasteful number, since it uses less digits than its factorization.

2542869908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142986 (or 7142984 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 2542869908 is about 50426.8768416209. The cubic root of 2542869908 is about 1364.9226714458.

The spelling of 2542869908 in words is "two billion, five hundred forty-two million, eight hundred sixty-nine thousand, nine hundred eight".

Divisors: 1 2 4 89 178 356 7142893 14285786 28571572 635717477 1271434954 2542869908