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23672091 = 329272093
BaseRepresentation
bin101101001001…
…1010100011011
31122112200000010
41122103110123
522030001331
62203213003
7405131562
oct132232433
948480003
1023672091
11123a9213
127b17163
134b9a971
143202bd9
152128e46
hex169351b

23672091 has 8 divisors (see below), whose sum is σ = 32651280. Its totient is φ = 15237152.

The previous prime is 23672071. The next prime is 23672123. The reversal of 23672091 is 19027632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23672091 - 211 = 23670043 is a prime.

It is a house number.

It is not an unprimeable number, because it can be changed into a prime (23672021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 135960 + ... + 136133.

It is an arithmetic number, because the mean of its divisors is an integer number (4081410).

Almost surely, 223672091 is an apocalyptic number.

23672091 is a deficient number, since it is larger than the sum of its proper divisors (8979189).

23672091 is a wasteful number, since it uses less digits than its factorization.

23672091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272125.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 23672091 is about 4865.3973116283. The cubic root of 23672091 is about 287.1302002858.

It can be divided in two parts, 236 and 72091, that added together give a palindrome (72327).

The spelling of 23672091 in words is "twenty-three million, six hundred seventy-two thousand, ninety-one".

Divisors: 1 3 29 87 272093 816279 7890697 23672091