Search a number
-
+
2540933154 = 2321013174409
BaseRepresentation
bin1001011101110011…
…1001000000100010
320120002012210000100
42113130321000202
520200434330104
61100045003230
7116652401244
oct22734710042
96502183010
102540933154
111094321761
125aab53516
13316561956
141a1668094
15ed114139
hex97739022

2540933154 has 48 divisors (see below), whose sum is σ = 5578667640. Its totient is φ = 835756800.

The previous prime is 2540933149. The next prime is 2540933159. The reversal of 2540933154 is 4513390452.

2540933154 is a `hidden beast` number, since 254 + 0 + 93 + 315 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2540933149) and next prime (2540933159).

It can be written as a sum of positive squares in 4 ways, for example, as 1666843929 + 874089225 = 40827^2 + 29565^2 .

It is not an unprimeable number, because it can be changed into a prime (2540933159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574102 + ... + 578510.

Almost surely, 22540933154 is an apocalyptic number.

2540933154 is an abundant number, since it is smaller than the sum of its proper divisors (3037734486).

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

2540933154 is a wasteful number, since it uses less digits than its factorization.

2540933154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2540933154 is about 50407.6695950130. The cubic root of 2540933154 is about 1364.5760564057.

The spelling of 2540933154 in words is "two billion, five hundred forty million, nine hundred thirty-three thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 101 202 303 317 606 634 909 951 1818 1902 2853 4409 5706 8818 13227 26454 32017 39681 64034 79362 96051 192102 288153 445309 576306 890618 1335927 1397653 2671854 2795306 4007781 4192959 8015562 8385918 12578877 25157754 141162953 282325906 423488859 846977718 1270466577 2540933154