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230153226 = 23231667777
BaseRepresentation
bin11011011011111…
…01110000001010
3121001001222212120
431231331300022
5432404400401
634500552110
75463161442
oct1555756012
9531058776
10230153226
11108a08586
12650b2636
13388b3c54
14227d1122
1515313836
hexdb7dc0a

230153226 has 16 divisors (see below), whose sum is σ = 480320064. Its totient is φ = 73382144.

The previous prime is 230153201. The next prime is 230153227. The reversal of 230153226 is 622351032.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230153196 and 230153205.

It is not an unprimeable number, because it can be changed into a prime (230153227) 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, 833751 + ... + 834026.

It is an arithmetic number, because the mean of its divisors is an integer number (30020004).

Almost surely, 2230153226 is an apocalyptic number.

230153226 is an abundant number, since it is smaller than the sum of its proper divisors (250166838).

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

230153226 is a wasteful number, since it uses less digits than its factorization.

230153226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667805.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 230153226 is about 15170.8017586415. The cubic root of 230153226 is about 612.8285959161.

The spelling of 230153226 in words is "two hundred thirty million, one hundred fifty-three thousand, two hundred twenty-six".

Divisors: 1 2 3 6 23 46 69 138 1667777 3335554 5003331 10006662 38358871 76717742 115076613 230153226