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2637423140 = 2251111988287
BaseRepresentation
bin1001110100110011…
…1110001000100100
320210210202222101112
42131030332020210
520400140020030
61113413044152
7122233504202
oct23514761044
96723688345
102637423140
111133836050
12617326658
13330546911
141b03c4072
15106823a95
hex9d33e224

2637423140 has 24 divisors (see below), whose sum is σ = 6042097152. Its totient is φ = 959062880.

The previous prime is 2637423127. The next prime is 2637423157. The reversal of 2637423140 is 413247362.

It is a junction number, because it is equal to n+sod(n) for n = 2637423097 and 2637423106.

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, 5993924 + ... + 5994363.

It is an arithmetic number, because the mean of its divisors is an integer number (251754048).

Almost surely, 22637423140 is an apocalyptic number.

2637423140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2637423140 is an abundant number, since it is smaller than the sum of its proper divisors (3404674012).

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

2637423140 is a wasteful number, since it uses less digits than its factorization.

2637423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11988307 (or 11988305 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 2637423140 is about 51355.8481577318. The cubic root of 2637423140 is about 1381.6348230195.

The spelling of 2637423140 in words is "two billion, six hundred thirty-seven million, four hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11988287 23976574 47953148 59941435 119882870 131871157 239765740 263742314 527484628 659355785 1318711570 2637423140