Search a number
-
+
256370412 = 22365332717
BaseRepresentation
bin11110100011111…
…10011011101100
3122212101222002110
433101332123230
51011112323122
641234524020
76232053414
oct1721763354
9585358073
10256370412
11121794981
1271a36610
134116318c
1426097644
151779190c
hexf47e6ec

256370412 has 24 divisors (see below), whose sum is σ = 599132016. Its totient is φ = 85323328.

The previous prime is 256370407. The next prime is 256370431. The reversal of 256370412 is 214073652.

It is a super-3 number, since 3×2563704123 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256370412.

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, 8523 + ... + 24194.

It is an arithmetic number, because the mean of its divisors is an integer number (24963834).

Almost surely, 2256370412 is an apocalyptic number.

It is an amenable number.

256370412 is an abundant number, since it is smaller than the sum of its proper divisors (342761604).

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

256370412 is a wasteful number, since it uses less digits than its factorization.

256370412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33377 (or 33375 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 256370412 is about 16011.5711908607. The cubic root of 256370412 is about 635.2665192421.

The spelling of 256370412 in words is "two hundred fifty-six million, three hundred seventy thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 653 1306 1959 2612 3918 7836 32717 65434 98151 130868 196302 392604 21364201 42728402 64092603 85456804 128185206 256370412