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225314144 = 25113591783
BaseRepresentation
bin11010110111000…
…00010101100000
3120200222010220022
431123200111200
5430140023034
634205133012
75404065356
oct1533402540
9520863808
10225314144
11106202940
126355a168
13378ab4a3
1421cd17d6
1514ba9b2e
hexd6e0560

225314144 has 48 divisors (see below), whose sum is σ = 485533440. Its totient is φ = 102072960.

The previous prime is 225314123. The next prime is 225314149. The reversal of 225314144 is 441413522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225314149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125477 + ... + 127259.

It is an arithmetic number, because the mean of its divisors is an integer number (10115280).

Almost surely, 2225314144 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 225314144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242766720).

225314144 is an abundant number, since it is smaller than the sum of its proper divisors (260219296).

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

225314144 is a wasteful number, since it uses less digits than its factorization.

225314144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2155 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 225314144 is about 15010.4678141622. The cubic root of 225314144 is about 608.5031327013.

Adding to 225314144 its reverse (441413522), we get a palindrome (666727666).

The spelling of 225314144 in words is "two hundred twenty-five million, three hundred fourteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 359 718 1436 1783 2872 3566 3949 5744 7132 7898 11488 14264 15796 19613 28528 31592 39226 57056 63184 78452 126368 156904 313808 627616 640097 1280194 2560388 5120776 7041067 10241552 14082134 20483104 28164268 56328536 112657072 225314144