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2545479320 = 23571278929
BaseRepresentation
bin1001011110111000…
…1110111010011000
320120101202202011212
42113232032322120
520203120314240
61100330242252
7120036134336
oct22756167230
96511682155
102545479320
11109694731a
125b0586388
13317493ca7
141a20ccb56
15ed711165
hex97b8ee98

2545479320 has 32 divisors (see below), whose sum is σ = 5728773600. Its totient is φ = 1017934848.

The previous prime is 2545479319. The next prime is 2545479361. The reversal of 2545479320 is 239745452.

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, 280616 + ... + 289544.

It is an arithmetic number, because the mean of its divisors is an integer number (179024175).

Almost surely, 22545479320 is an apocalyptic number.

2545479320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545479320 is an abundant number, since it is smaller than the sum of its proper divisors (3183294280).

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

2545479320 is a wasteful number, since it uses less digits than its factorization.

2545479320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16067 (or 16063 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 2545479320 is about 50452.7434338312. The cubic root of 2545479320 is about 1365.3893918756.

The spelling of 2545479320 in words is "two billion, five hundred forty-five million, four hundred seventy-nine thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 7127 8929 14254 17858 28508 35635 35716 44645 57016 71270 71432 89290 142540 178580 285080 357160 63636983 127273966 254547932 318184915 509095864 636369830 1272739660 2545479320