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23133201 = 371384737
BaseRepresentation
bin101100000111…
…1110000010001
31121112021210020
41120033300101
521410230301
62143454053
7400425510
oct130176021
947467706
1023133201
1112070353
1278b7329
134a3c5b0
143102677
15206e436
hex160fc11

23133201 has 16 divisors (see below), whose sum is σ = 37962624. Its totient is φ = 12201984.

The previous prime is 23133199. The next prime is 23133263. The reversal of 23133201 is 10233132.

It is not a de Polignac number, because 23133201 - 21 = 23133199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23133301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42096 + ... + 42641.

It is an arithmetic number, because the mean of its divisors is an integer number (2372664).

Almost surely, 223133201 is an apocalyptic number.

23133201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23133201 is a deficient number, since it is larger than the sum of its proper divisors (14829423).

23133201 is a wasteful number, since it uses less digits than its factorization.

23133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84760.

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

The square root of 23133201 is about 4809.6986392081. The cubic root of 23133201 is about 284.9346356717.

Adding to 23133201 its reverse (10233132), we get a palindrome (33366333).

The spelling of 23133201 in words is "twenty-three million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3 7 13 21 39 91 273 84737 254211 593159 1101581 1779477 3304743 7711067 23133201