Search a number
-
+
2256160 = 25559239
BaseRepresentation
bin1000100110110100100000
311020121212111
420212310200
51034144120
6120205104
725114504
oct10466440
94217774
102256160
1113010a5
12909794
1360cc0a
1442a304
152e875a
hex226d20

2256160 has 48 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 883456.

The previous prime is 2256131. The next prime is 2256169. The reversal of 2256160 is 616522.

It is not an unprimeable number, because it can be changed into a prime (2256169) 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, 9321 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

22256160 is an apocalyptic number.

2256160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2256160 is an abundant number, since it is smaller than the sum of its proper divisors (3187040).

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

2256160 is a wasteful number, since it uses less digits than its factorization.

2256160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2256160 is about 1502.0519298613. The cubic root of 2256160 is about 131.1565442043.

The spelling of 2256160 in words is "two million, two hundred fifty-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 59 80 118 160 236 239 295 472 478 590 944 956 1180 1195 1888 1912 2360 2390 3824 4720 4780 7648 9440 9560 14101 19120 28202 38240 56404 70505 112808 141010 225616 282020 451232 564040 1128080 2256160