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256050042 = 23192246053
BaseRepresentation
bin11110100001100…
…00001101111010
3122211210200121220
433100300031322
51011022100132
641224012510
76226250403
oct1720601572
9584720556
10256050042
11121596206
1271901136
1341080401
14260129aa
151772ba2c
hexf43037a

256050042 has 16 divisors (see below), whose sum is σ = 539052960. Its totient is φ = 80857872.

The previous prime is 256049999. The next prime is 256050059. The reversal of 256050042 is 240050652.

256050042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256049994 and 256050021.

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, 1122913 + ... + 1123140.

It is an arithmetic number, because the mean of its divisors is an integer number (33690810).

Almost surely, 2256050042 is an apocalyptic number.

256050042 is an abundant number, since it is smaller than the sum of its proper divisors (283002918).

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

256050042 is a wasteful number, since it uses less digits than its factorization.

256050042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246077.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 256050042 is about 16001.5637360853. The cubic root of 256050042 is about 635.0017913852.

The spelling of 256050042 in words is "two hundred fifty-six million, fifty thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 114 2246053 4492106 6738159 13476318 42675007 85350014 128025021 256050042