Search a number
-
+
2255725 = 52233923
BaseRepresentation
bin1000100110101101101101
311020121021101
420212231231
51034140400
6120203101
725113313
oct10465555
94217241
102255725
11130083a
12909491
1360c964
1442a0b3
152e856a
hex226b6d

2255725 has 12 divisors (see below), whose sum is σ = 2919456. Its totient is φ = 1725680.

The previous prime is 2255723. The next prime is 2255731. The reversal of 2255725 is 5275522.

It is not a de Polignac number, because 2255725 - 21 = 2255723 is a prime.

It is a super-3 number, since 3×22557253 = 34433384581827609375, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255693 and 2255702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (243288).

22255725 is an apocalyptic number.

2255725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2255725 is a deficient number, since it is larger than the sum of its proper divisors (663731).

2255725 is a wasteful number, since it uses less digits than its factorization.

2255725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956 (or 3951 counting only the distinct ones).

The product of its digits is 7000, while the sum is 28.

The square root of 2255725 is about 1501.9071209632. The cubic root of 2255725 is about 131.1481144293.

The spelling of 2255725 in words is "two million, two hundred fifty-five thousand, seven hundred twenty-five".

Divisors: 1 5 23 25 115 575 3923 19615 90229 98075 451145 2255725