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2132765240 = 235122343597
BaseRepresentation
bin111111100011111…
…0110101000111000
312111122011200220012
41333013312220320
513331441441430
6551344321052
7103565130314
oct17707665070
95448150805
102132765240
119a4988101
124b6313188
1327cb20688
14163378b44
15c738a695
hex7f1f6a38

2132765240 has 32 divisors (see below), whose sum is σ = 4802755680. Its totient is φ = 852388992.

The previous prime is 2132765233. The next prime is 2132765269. The reversal of 2132765240 is 425672312.

It is a junction number, because it is equal to n+sod(n) for n = 2132765197 and 2132765206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27122 + ... + 70718.

It is an arithmetic number, because the mean of its divisors is an integer number (150086115).

Almost surely, 22132765240 is an apocalyptic number.

2132765240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132765240 is an abundant number, since it is smaller than the sum of its proper divisors (2669990440).

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

2132765240 is a wasteful number, since it uses less digits than its factorization.

2132765240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44831 (or 44827 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2132765240 is about 46181.8713349730. The cubic root of 2132765240 is about 1287.2049009791.

The spelling of 2132765240 in words is "two billion, one hundred thirty-two million, seven hundred sixty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1223 2446 4892 6115 9784 12230 24460 43597 48920 87194 174388 217985 348776 435970 871940 1743880 53319131 106638262 213276524 266595655 426553048 533191310 1066382620 2132765240