Search a number
-
+
2580472431 = 33109876817
BaseRepresentation
bin1001100111001110…
…1110001001101111
320122211121120201000
42121303232021233
520241100104211
61104020251343
7120642440145
oct23163561157
96584546630
102580472431
111104678149
12600240b53
133217c6884
141a69db595
15101824656
hex99cee26f

2580472431 has 16 divisors (see below), whose sum is σ = 3857999200. Its totient is φ = 1704530304.

The previous prime is 2580472423. The next prime is 2580472523. The reversal of 2580472431 is 1342740852.

It is a happy number.

2580472431 is a `hidden beast` number, since 2 + 580 + 4 + 72 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 2580472431 - 23 = 2580472423 is a prime.

It is a super-2 number, since 2×25804724312 = 13317675934302099522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580472031) 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 15 ways as a sum of consecutive naturals, for example, 435466 + ... + 441351.

It is an arithmetic number, because the mean of its divisors is an integer number (241124950).

Almost surely, 22580472431 is an apocalyptic number.

2580472431 is a deficient number, since it is larger than the sum of its proper divisors (1277526769).

2580472431 is a wasteful number, since it uses less digits than its factorization.

2580472431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876935 (or 876929 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2580472431 is about 50798.3506720445. The cubic root of 2580472431 is about 1371.6176801025.

The spelling of 2580472431 in words is "two billion, five hundred eighty million, four hundred seventy-two thousand, four hundred thirty-one".

Divisors: 1 3 9 27 109 327 981 2943 876817 2630451 7891353 23674059 95573053 286719159 860157477 2580472431