Search a number
-
+
256996302 = 23371157641
BaseRepresentation
bin11110101000101…
…11001111001110
3122220120202122120
433110113033032
51011242340202
641300153410
76240301233
oct1724271716
9586522576
10256996302
11122082142
1272098866
1341322024
14261bb78a
15178670bc
hexf5173ce

256996302 has 16 divisors (see below), whose sum is σ = 527884752. Its totient is φ = 83350080.

The previous prime is 256996297. The next prime is 256996309. The reversal of 256996302 is 203699652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256996309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578599 + ... + 579042.

It is an arithmetic number, because the mean of its divisors is an integer number (32992797).

Almost surely, 2256996302 is an apocalyptic number.

256996302 is an abundant number, since it is smaller than the sum of its proper divisors (270888450).

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

256996302 is a wasteful number, since it uses less digits than its factorization.

256996302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157683.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 256996302 is about 16031.1042040154. The cubic root of 256996302 is about 635.7830684944.

The spelling of 256996302 in words is "two hundred fifty-six million, nine hundred ninety-six thousand, three hundred two".

Divisors: 1 2 3 6 37 74 111 222 1157641 2315282 3472923 6945846 42832717 85665434 128498151 256996302