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225310944 = 25323102043
BaseRepresentation
bin11010110110111…
…11100011100000
3120200221222111210
431123133203200
5430134422234
634205110120
75404053135
oct1533374340
9520858453
10225310944
111062004a1
1263558340
13378a9bb1
1421cd058c
1514ba8be9
hexd6df8e0

225310944 has 48 divisors (see below), whose sum is σ = 617162112. Its totient is φ = 71837568.

The previous prime is 225310937. The next prime is 225310951. The reversal of 225310944 is 449013522.

It is an interprime number because it is at equal distance from previous prime (225310937) and next prime (225310951).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2253109442 = 101530042972342272, which contains 22 as substring.

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, 48814 + ... + 53229.

It is an arithmetic number, because the mean of its divisors is an integer number (12857544).

Almost surely, 2225310944 is an apocalyptic number.

225310944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225310944 is an abundant number, since it is smaller than the sum of its proper divisors (391851168).

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

225310944 is a wasteful number, since it uses less digits than its factorization.

225310944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102079 (or 102071 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 225310944 is about 15010.3612215030. The cubic root of 225310944 is about 608.5002519541.

The spelling of 225310944 in words is "two hundred twenty-five million, three hundred ten thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 736 1104 2208 102043 204086 306129 408172 612258 816344 1224516 1632688 2346989 2449032 3265376 4693978 4898064 7040967 9387956 9796128 14081934 18775912 28163868 37551824 56327736 75103648 112655472 225310944