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426253540 = 22521312677
BaseRepresentation
bin11001011010000…
…001110011100100
31002201001220221011
4121122001303210
51333110103130
6110144032004
713364044456
oct3132016344
91081056834
10426253540
111a9677659
12ba902604
136a40423b
144087a2d6
152764c52a
hex19681ce4

426253540 has 12 divisors (see below), whose sum is σ = 895132476. Its totient is φ = 170501408.

The previous prime is 426253511. The next prime is 426253559. The reversal of 426253540 is 45352624.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 374499904 = 7194^2 + 19352^2 .

It is a super-3 number, since 3×4262535403 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10656319 + ... + 10656358.

It is an arithmetic number, because the mean of its divisors is an integer number (74594373).

Almost surely, 2426253540 is an apocalyptic number.

It is an amenable number.

426253540 is an abundant number, since it is smaller than the sum of its proper divisors (468878936).

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

426253540 is a wasteful number, since it uses less digits than its factorization.

426253540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312686 (or 21312684 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 426253540 is about 20645.9085535125. The cubic root of 426253540 is about 752.5857652161.

The spelling of 426253540 in words is "four hundred twenty-six million, two hundred fifty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 21312677 42625354 85250708 106563385 213126770 426253540