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233300121 = 377766707
BaseRepresentation
bin11011110011111…
…10000010011001
3121020222212121020
431321332002121
5434211100441
635052233053
75532006165
oct1571760231
9536885536
10233300121
1110a76791a
126616b789
1339446412
1422dadca5
1515735e66
hexde7e099

233300121 has 4 divisors (see below), whose sum is σ = 311066832. Its totient is φ = 155533412.

The previous prime is 233300113. The next prime is 233300149. The reversal of 233300121 is 121003332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233300121 - 23 = 233300113 is a prime.

It is a super-2 number, since 2×2333001212 = 108857892917229282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233300121.

It is not an unprimeable number, because it can be changed into a prime (233300021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38883351 + ... + 38883356.

It is an arithmetic number, because the mean of its divisors is an integer number (77766708).

Almost surely, 2233300121 is an apocalyptic number.

It is an amenable number.

233300121 is a deficient number, since it is larger than the sum of its proper divisors (77766711).

233300121 is an equidigital number, since it uses as much as digits as its factorization.

233300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77766710.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 233300121 is about 15274.1651490352. The cubic root of 233300121 is about 615.6090390736.

Adding to 233300121 its reverse (121003332), we get a palindrome (354303453).

The spelling of 233300121 in words is "two hundred thirty-three million, three hundred thousand, one hundred twenty-one".

Divisors: 1 3 77766707 233300121