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225980802 = 23244927961
BaseRepresentation
bin11010111100000…
…11000110000010
3120202020000101100
431132003012002
5430322341202
634231315230
75412543105
oct1536030602
9522200340
10225980802
111066187a3
126381bb16
1337a82a68
142202673c
1514c8c41c
hexd783182

225980802 has 24 divisors (see below), whose sum is σ = 490733100. Its totient is φ = 75156480.

The previous prime is 225980801. The next prime is 225980809. The reversal of 225980802 is 208089522.

It can be written as a sum of positive squares in 2 ways, for example, as 224370441 + 1610361 = 14979^2 + 1269^2 .

It is not an unprimeable number, because it can be changed into a prime (225980801) 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, 5899 + ... + 22062.

Almost surely, 2225980802 is an apocalyptic number.

225980802 is an abundant number, since it is smaller than the sum of its proper divisors (264752298).

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

225980802 is a wasteful number, since it uses less digits than its factorization.

225980802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28418 (or 28415 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 225980802 is about 15032.6578488303. The cubic root of 225980802 is about 609.1026867863.

The spelling of 225980802 in words is "two hundred twenty-five million, nine hundred eighty thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 449 898 1347 2694 4041 8082 27961 55922 83883 167766 251649 503298 12554489 25108978 37663467 75326934 112990401 225980802