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2075523640 = 23551888091
BaseRepresentation
bin111101110110101…
…1111101000111000
312100122110112011221
41323231133220320
513222313224030
6541541401424
7102301442221
oct17355375070
95318415157
102075523640
119756406a3
1249b109274
13270ccb0c8
14159918248
15c232ee7a
hex7bb5fa38

2075523640 has 16 divisors (see below), whose sum is σ = 4669928280. Its totient is φ = 830209440.

The previous prime is 2075523601. The next prime is 2075523673. The reversal of 2075523640 is 463255702.

It is a junction number, because it is equal to n+sod(n) for n = 2075523596 and 2075523605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25944006 + ... + 25944085.

Almost surely, 22075523640 is an apocalyptic number.

2075523640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2075523640 is an abundant number, since it is smaller than the sum of its proper divisors (2594404640).

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

2075523640 is a wasteful number, since it uses less digits than its factorization.

2075523640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51888102 (or 51888098 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 2075523640 is about 45557.9152288601. The cubic root of 2075523640 is about 1275.5844845512.

The spelling of 2075523640 in words is "two billion, seventy-five million, five hundred twenty-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 51888091 103776182 207552364 259440455 415104728 518880910 1037761820 2075523640