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256353150 = 235210116921
BaseRepresentation
bin11110100011110…
…10001101111110
3122212101002102010
433101322031332
51011111300100
641234312050
76231652164
oct1721721576
9585332363
10256353150
11121782a09
1271a28626
1341158371
1426091234
151778b750
hexf47a37e

256353150 has 48 divisors (see below), whose sum is σ = 642088368. Its totient is φ = 67680000.

The previous prime is 256353137. The next prime is 256353161. The reversal of 256353150 is 51353652.

256353150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6690 + ... + 23610.

It is an arithmetic number, because the mean of its divisors is an integer number (13376841).

Almost surely, 2256353150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256353150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321044184).

256353150 is an abundant number, since it is smaller than the sum of its proper divisors (385735218).

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

256353150 is a wasteful number, since it uses less digits than its factorization.

256353150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17037 (or 17032 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 256353150 is about 16011.0321341255. The cubic root of 256353150 is about 635.2522609446.

The spelling of 256353150 in words is "two hundred fifty-six million, three hundred fifty-three thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 101 150 202 303 505 606 1010 1515 2525 3030 5050 7575 15150 16921 33842 50763 84605 101526 169210 253815 423025 507630 846050 1269075 1709021 2538150 3418042 5127063 8545105 10254126 17090210 25635315 42725525 51270630 85451050 128176575 256353150