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233330664 = 23371388873
BaseRepresentation
bin11011110100001…
…01011111101000
3121021001102111110
431322011133220
5434213040124
635053030320
75532164220
oct1572053750
9537042443
10233330664
1110a788866
12661853a0
13394572a8
1422dbb080
1515740029
hexde857e8

233330664 has 32 divisors (see below), whose sum is σ = 666659520. Its totient is φ = 66665856.

The previous prime is 233330651. The next prime is 233330683. The reversal of 233330664 is 466033332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694269 + ... + 694604.

It is an arithmetic number, because the mean of its divisors is an integer number (20833110).

Almost surely, 2233330664 is an apocalyptic number.

233330664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

233330664 is an abundant number, since it is smaller than the sum of its proper divisors (433328856).

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

233330664 is a wasteful number, since it uses less digits than its factorization.

233330664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388889 (or 1388885 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

The square root of 233330664 is about 15275.1649418263. The cubic root of 233330664 is about 615.6359025065.

Adding to 233330664 its reverse (466033332), we get a palindrome (699363996).

The spelling of 233330664 in words is "two hundred thirty-three million, three hundred thirty thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1388873 2777746 4166619 5555492 8333238 9722111 11110984 16666476 19444222 29166333 33332952 38888444 58332666 77776888 116665332 233330664