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233455225 = 5219734733
BaseRepresentation
bin11011110101000…
…11111001111001
3121021021202100211
431322203321321
5434231031400
635055431121
75533223323
oct1572437171
9537252324
10233455225
1110a863403
12662254a1
133949bbb3
1423010613
1515766dba
hexdea3e79

233455225 has 12 divisors (see below), whose sum is σ = 289692396. Its totient is φ = 186630080.

The previous prime is 233455217. The next prime is 233455297. The reversal of 233455225 is 522554332.

It can be written as a sum of positive squares in 6 ways, for example, as 47623801 + 185831424 = 6901^2 + 13632^2 .

It is not a de Polignac number, because 233455225 - 23 = 233455217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46959 + ... + 51691.

It is an arithmetic number, because the mean of its divisors is an integer number (24141033).

Almost surely, 2233455225 is an apocalyptic number.

233455225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233455225 is a deficient number, since it is larger than the sum of its proper divisors (56237171).

233455225 is a wasteful number, since it uses less digits than its factorization.

233455225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6711 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 233455225 is about 15279.2416369400. The cubic root of 233455225 is about 615.7454331624.

The spelling of 233455225 in words is "two hundred thirty-three million, four hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 1973 4733 9865 23665 49325 118325 9338209 46691045 233455225