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226915129 = 724630921
BaseRepresentation
bin11011000011001…
…11001100111001
3120210222111001001
431201213030321
5431042241004
634303325001
75423514100
oct1541471471
9523874031
10226915129
111070a6771
1263bb0761
133801c10c
14221cb037
1514dc41a4
hexd867339

226915129 has 6 divisors (see below), whose sum is σ = 263962554. Its totient is φ = 194498640.

The previous prime is 226915127. The next prime is 226915141. The reversal of 226915129 is 921519622.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 104591529 = 11060^2 + 10227^2 .

It is not a de Polignac number, because 226915129 - 21 = 226915127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226915127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2315412 + ... + 2315509.

It is an arithmetic number, because the mean of its divisors is an integer number (43993759).

Almost surely, 2226915129 is an apocalyptic number.

It is an amenable number.

226915129 is a deficient number, since it is larger than the sum of its proper divisors (37047425).

226915129 is an equidigital number, since it uses as much as digits as its factorization.

226915129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630935 (or 4630928 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 226915129 is about 15063.7023669482. The cubic root of 226915129 is about 609.9409859598.

The spelling of 226915129 in words is "two hundred twenty-six million, nine hundred fifteen thousand, one hundred twenty-nine".

Divisors: 1 7 49 4630921 32416447 226915129