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233315425 = 5271333231
BaseRepresentation
bin11011110100000…
…01110001100001
3121021000122121001
431322001301201
5434212043200
635052432001
75532101620
oct1572016141
9537018531
10233315425
1110a778372
1266178601
1339450385
1422db56b7
151573a76a
hexde81c61

233315425 has 12 divisors (see below), whose sum is σ = 330641536. Its totient is φ = 159987600.

The previous prime is 233315419. The next prime is 233315437. The reversal of 233315425 is 524513332.

It is not a de Polignac number, because 233315425 - 23 = 233315417 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233315393 and 233315402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666441 + ... + 666790.

Almost surely, 2233315425 is an apocalyptic number.

233315425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233315425 is a deficient number, since it is larger than the sum of its proper divisors (97326111).

233315425 is a wasteful number, since it uses less digits than its factorization.

233315425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333248 (or 1333243 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 233315425 is about 15274.6661174639. Note that the first 3 decimals coincide. The cubic root of 233315425 is about 615.6224996678.

Adding to 233315425 its reverse (524513332), we get a palindrome (757828757).

The spelling of 233315425 in words is "two hundred thirty-three million, three hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 1333231 6666155 9332617 33330775 46663085 233315425