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225713725 = 5261283523
BaseRepresentation
bin11010111010000…
…01111000111101
3120201201110000121
431131001320331
5430240314400
634221454541
75410351336
oct1535017075
9521643017
10225713725
11106456076
1263711451
13379bb323
1421d9728d
1514c3821a
hexd741e3d

225713725 has 24 divisors (see below), whose sum is σ = 286024352. Its totient is φ = 176644800.

The previous prime is 225713723. The next prime is 225713729. The reversal of 225713725 is 527317522.

It is not a de Polignac number, because 225713725 - 21 = 225713723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225713723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431314 + ... + 431836.

Almost surely, 2225713725 is an apocalyptic number.

225713725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225713725 is a deficient number, since it is larger than the sum of its proper divisors (60310627).

225713725 is a wasteful number, since it uses less digits than its factorization.

225713725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 872 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 225713725 is about 15023.7719964062. The cubic root of 225713725 is about 608.8626347611.

The spelling of 225713725 in words is "two hundred twenty-five million, seven hundred thirteen thousand, seven hundred twenty-five".

Divisors: 1 5 25 61 283 305 523 1415 1525 2615 7075 13075 17263 31903 86315 148009 159515 431575 740045 797575 3700225 9028549 45142745 225713725