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225162320 = 24521113339
BaseRepresentation
bin11010110101110…
…11010001010000
3120200200102122012
431122323101100
5430120143240
634202002052
75402563625
oct1532732120
9520612565
10225162320
11106109869
12634a6328
1337857356
1421c9234c
1514b79b65
hexd6bb450

225162320 has 40 divisors (see below), whose sum is σ = 526022880. Its totient is φ = 89631360.

The previous prime is 225162313. The next prime is 225162337. The reversal of 225162320 is 23261522.

225162320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10211 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (13150572).

Almost surely, 2225162320 is an apocalyptic number.

225162320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225162320 is an abundant number, since it is smaller than the sum of its proper divisors (300860560).

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

225162320 is a wasteful number, since it uses less digits than its factorization.

225162320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563 (or 13557 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 225162320 is about 15005.4096911747. The cubic root of 225162320 is about 608.3664255887.

The spelling of 225162320 in words is "two hundred twenty-five million, one hundred sixty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 211 422 844 1055 1688 2110 3376 4220 8440 13339 16880 26678 53356 66695 106712 133390 213424 266780 533560 1067120 2814529 5629058 11258116 14072645 22516232 28145290 45032464 56290580 112581160 225162320