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256050007 = 2311132609
BaseRepresentation
bin11110100001100…
…00001101010111
3122211210200120121
433100300031113
51011022100012
641224012411
76226250323
oct1720601527
9584720517
10256050007
11121596184
1271901107
13410803a5
1426012983
151772ba07
hexf430357

256050007 has 4 divisors (see below), whose sum is σ = 267182640. Its totient is φ = 244917376.

The previous prime is 256049999. The next prime is 256050059. The reversal of 256050007 is 700050652.

It is a happy number.

256050007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256050007 - 23 = 256049999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256050307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566282 + ... + 5566327.

It is an arithmetic number, because the mean of its divisors is an integer number (66795660).

Almost surely, 2256050007 is an apocalyptic number.

256050007 is a deficient number, since it is larger than the sum of its proper divisors (11132633).

256050007 is a wasteful number, since it uses less digits than its factorization.

256050007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132632.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 256050007 is about 16001.5626424421. The cubic root of 256050007 is about 635.0017624520.

The spelling of 256050007 in words is "two hundred fifty-six million, fifty thousand, seven".

Divisors: 1 23 11132609 256050007