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225493492 = 22727914563
BaseRepresentation
bin11010111000011…
…00000111110100
3120201022020220211
431130030013310
5430211242432
634213035204
75405443300
oct1534140764
9521266824
10225493492
11106315664
1263625b04
1337942003
1421d3ad00
1514be2d47
hexd70c1f4

225493492 has 36 divisors (see below), whose sum is σ = 464882880. Its totient is φ = 95410224.

The previous prime is 225493483. The next prime is 225493493. The reversal of 225493492 is 294394522.

225493492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225493493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8203 + ... + 22765.

Almost surely, 2225493492 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 225493492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232441440).

225493492 is an abundant number, since it is smaller than the sum of its proper divisors (239389388).

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

225493492 is a wasteful number, since it uses less digits than its factorization.

225493492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14660 (or 14651 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 225493492 is about 15016.4407234204. The cubic root of 225493492 is about 608.6645441928.

The spelling of 225493492 in words is "two hundred twenty-five million, four hundred ninety-three thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 79 98 158 196 316 553 1106 2212 3871 7742 14563 15484 29126 58252 101941 203882 407764 713587 1150477 1427174 2300954 2854348 4601908 8053339 16106678 32213356 56373373 112746746 225493492