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225676724 = 227132921379
BaseRepresentation
bin11010111001110…
…00110110110100
3120201122120021012
431130320312310
5430233123344
634221011352
75410135430
oct1534706664
9521576235
10225676724
11106430299
12636b3b58
13379a7530
1421d879c0
1514c2c29e
hexd738db4

225676724 has 48 divisors (see below), whose sum is σ = 502857600. Its totient is φ = 86196096.

The previous prime is 225676721. The next prime is 225676739. The reversal of 225676724 is 427676522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225676721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (10476200).

Almost surely, 2225676724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225676724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251428800).

225676724 is an abundant number, since it is smaller than the sum of its proper divisors (277180876).

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

225676724 is a wasteful number, since it uses less digits than its factorization.

225676724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432 (or 21430 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 225676724 is about 15022.5405308157. The cubic root of 225676724 is about 608.8293628847.

The spelling of 225676724 in words is "two hundred twenty-five million, six hundred seventy-six thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 29 52 58 91 116 182 203 364 377 406 754 812 1508 2639 5278 10556 21379 42758 85516 149653 277927 299306 555854 598612 619991 1111708 1239982 1945489 2479964 3890978 4339937 7781956 8059883 8679874 16119766 17359748 32239532 56419181 112838362 225676724