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8253087950 = 252198687461
BaseRepresentation
bin1111010111110110…
…00010000011001110
3210022011122022022002
413223323002003032
5113400242303300
63442540152302
7411343042622
oct75373020316
923264568262
108253087950
113555720148
121723b38692
13a16ac71c3
14584149182
1533483e5d5
hex1ebec20ce

8253087950 has 24 divisors (see below), whose sum is σ = 16158679320. Its totient is φ = 3127485600.

The previous prime is 8253087943. The next prime is 8253087959. The reversal of 8253087950 is 597803528.

It is a super-2 number, since 2×82530879502 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8253087895 and 8253087904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253087959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4342781 + ... + 4344680.

It is an arithmetic number, because the mean of its divisors is an integer number (673278305).

Almost surely, 28253087950 is an apocalyptic number.

8253087950 is a deficient number, since it is larger than the sum of its proper divisors (7905591370).

8253087950 is a wasteful number, since it uses less digits than its factorization.

8253087950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687492 (or 8687487 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 8253087950 is about 90846.5076378834. The cubic root of 8253087950 is about 2020.8720828460.

The spelling of 8253087950 in words is "eight billion, two hundred fifty-three million, eighty-seven thousand, nine hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 8687461 17374922 43437305 86874610 165061759 217186525 330123518 434373050 825308795 1650617590 4126543975 8253087950