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2545689054 = 233637116657
BaseRepresentation
bin1001011110111100…
…0010000111011110
320120102011101212210
42113233002013132
520203144022204
61100334541250
7120040666656
oct22757020736
96512141783
102545689054
111096a7a957
125b0667826
133175385ac
141a2145366
15ed753389
hex97bc21de

2545689054 has 16 divisors (see below), whose sum is σ = 5092821648. Its totient is φ = 848322432.

The previous prime is 2545689043. The next prime is 2545689061. The reversal of 2545689054 is 4509865452.

It is a junction number, because it is equal to n+sod(n) for n = 2545688994 and 2545689012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36507 + ... + 80150.

It is an arithmetic number, because the mean of its divisors is an integer number (318301353).

Almost surely, 22545689054 is an apocalyptic number.

2545689054 is an abundant number, since it is smaller than the sum of its proper divisors (2547132594).

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

2545689054 is a wasteful number, since it uses less digits than its factorization.

2545689054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120299.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The square root of 2545689054 is about 50454.8219102991. The cubic root of 2545689054 is about 1365.4268911280.

The spelling of 2545689054 in words is "two billion, five hundred forty-five million, six hundred eighty-nine thousand, fifty-four".

Divisors: 1 2 3 6 3637 7274 10911 21822 116657 233314 349971 699942 424281509 848563018 1272844527 2545689054