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8057285742 = 2311509239843
BaseRepresentation
bin1111000000100000…
…00110110001101110
3202210112012112011110
413200100012301232
5113000131120432
63411303332450
7403444540662
oct74020066156
922715175143
108057285742
113465145040
12168a451126
139b537c7cc
1456613a8a2
15322563dcc
hex1e0406c6e

8057285742 has 32 divisors (see below), whose sum is σ = 17614143360. Its totient is φ = 2436794720.

The previous prime is 8057285741. The next prime is 8057285767. The reversal of 8057285742 is 2475827508.

It is a junction number, because it is equal to n+sod(n) for n = 8057285691 and 8057285700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8057285741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86328 + ... + 153515.

It is an arithmetic number, because the mean of its divisors is an integer number (550441980).

Almost surely, 28057285742 is an apocalyptic number.

8057285742 is an abundant number, since it is smaller than the sum of its proper divisors (9556857618).

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

8057285742 is a wasteful number, since it uses less digits than its factorization.

8057285742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240368.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 8057285742 is about 89762.3848947876. The cubic root of 8057285742 is about 2004.7624623082.

The spelling of 8057285742 in words is "eight billion, fifty-seven million, two hundred eighty-five thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 509 1018 1527 3054 5599 11198 16797 33594 239843 479686 719529 1439058 2638273 5276546 7914819 15829638 122080087 244160174 366240261 732480522 1342880957 2685761914 4028642871 8057285742