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2255890560 = 273571115259
BaseRepresentation
bin1000011001110110…
…0010100010000000
312211012212010002020
42012131202202000
514110001444220
61011503321440
7106621516260
oct20635424200
95735763066
102255890560
11a58433a70
1252b5b0280
1329c49ccb1
141758697a0
15d30ac040
hex86762880

2255890560 has 256 divisors, whose sum is σ = 8965555200. Its totient is φ = 468725760.

The previous prime is 2255890519. The next prime is 2255890579. The reversal of 2255890560 is 650985522.

It is a super-2 number, since 2×22558905602 = 10178084437394227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140211 + ... + 155469.

It is an arithmetic number, because the mean of its divisors is an integer number (35021700).

Almost surely, 22255890560 is an apocalyptic number.

2255890560 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 2255890560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4482777600).

2255890560 is an abundant number, since it is smaller than the sum of its proper divisors (6709664640).

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

2255890560 is a wasteful number, since it uses less digits than its factorization.

2255890560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15299 (or 15287 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 2255890560 is about 47496.2162703515. The cubic root of 2255890560 is about 1311.5132291001.

The spelling of 2255890560 in words is "two billion, two hundred fifty-five million, eight hundred ninety thousand, five hundred sixty".