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256107038 = 21111641229
BaseRepresentation
bin11110100001111…
…10001000011110
3122211220120210212
433100332020132
51011030411123
641225132422
76226605515
oct1720761036
9584816725
10256107038
11121625010
127192a112
13410a0335
142602967c
151773d878
hexf43e21e

256107038 has 8 divisors (see below), whose sum is σ = 419084280. Its totient is φ = 116412280.

The previous prime is 256107037. The next prime is 256107043. The reversal of 256107038 is 830701652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256106995 and 256107013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256107037) 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, 5820593 + ... + 5820636.

It is an arithmetic number, because the mean of its divisors is an integer number (52385535).

Almost surely, 2256107038 is an apocalyptic number.

256107038 is a deficient number, since it is larger than the sum of its proper divisors (162977242).

256107038 is a wasteful number, since it uses less digits than its factorization.

256107038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641242.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 256107038 is about 16003.3445879291. The cubic root of 256107038 is about 635.0489044114.

The spelling of 256107038 in words is "two hundred fifty-six million, one hundred seven thousand, thirty-eight".

Divisors: 1 2 11 22 11641229 23282458 128053519 256107038