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250706117 = 3726925189
BaseRepresentation
bin11101111000101…
…11100011000101
3122110202012010202
432330113203011
51003140043432
640513300245
76132652424
oct1674274305
9573665122
10250706117
11119576242
126bb64685
133cc2bc1c
14254212bb
1517023462
hexef178c5

250706117 has 8 divisors (see below), whose sum is σ = 258449400. Its totient is φ = 243013824.

The previous prime is 250706111. The next prime is 250706143. The reversal of 250706117 is 711607052.

It can be written as a sum of positive squares in 4 ways, for example, as 93103201 + 157602916 = 9649^2 + 12554^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 250706117 - 24 = 250706101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250706117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250706111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642 + ... + 22547.

It is an arithmetic number, because the mean of its divisors is an integer number (32306175).

Almost surely, 2250706117 is an apocalyptic number.

It is an amenable number.

250706117 is a deficient number, since it is larger than the sum of its proper divisors (7743283).

250706117 is a wasteful number, since it uses less digits than its factorization.

250706117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25495.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 250706117 is about 15833.7019360603. The cubic root of 250706117 is about 630.5530685383.

The spelling of 250706117 in words is "two hundred fifty million, seven hundred six thousand, one hundred seventeen".

Divisors: 1 37 269 9953 25189 931993 6775841 250706117