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225979698 = 2375380469
BaseRepresentation
bin11010111100000…
…10110100110010
3120202012221212110
431132002310302
5430322322243
634231310150
75412536640
oct1536026462
9522187773
10225979698
1110661798a
126381b356
1337a823c9
1422026190
1514c8be33
hexd782d32

225979698 has 16 divisors (see below), whose sum is σ = 516525120. Its totient is φ = 64565616.

The previous prime is 225979697. The next prime is 225979703. The reversal of 225979698 is 896979522.

225979698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2259796983 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225979697) 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, 2690193 + ... + 2690276.

It is an arithmetic number, because the mean of its divisors is an integer number (32282820).

Almost surely, 2225979698 is an apocalyptic number.

225979698 is an abundant number, since it is smaller than the sum of its proper divisors (290545422).

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

225979698 is a wasteful number, since it uses less digits than its factorization.

225979698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380481.

The product of its digits is 4898880, while the sum is 57.

The square root of 225979698 is about 15032.6211287320. The cubic root of 225979698 is about 609.1016948872.

The spelling of 225979698 in words is "two hundred twenty-five million, nine hundred seventy-nine thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 5380469 10760938 16141407 32282814 37663283 75326566 112989849 225979698