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23920135 = 512173931
BaseRepresentation
bin101101100111…
…1111000000111
31200000021020221
41123033320013
522110421020
62212405211
7410214001
oct133177007
950007227
1023920135
1112558608
128016807
134c56835
143269371
1521776aa
hex16cfe07

23920135 has 8 divisors (see below), whose sum is σ = 28735056. Its totient is φ = 19115520.

The previous prime is 23920121. The next prime is 23920147. The reversal of 23920135 is 53102932.

It is a happy number.

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

It is not a de Polignac number, because 23920135 - 27 = 23920007 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4120 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (3591882).

Almost surely, 223920135 is an apocalyptic number.

23920135 is a deficient number, since it is larger than the sum of its proper divisors (4814921).

23920135 is a wasteful number, since it uses less digits than its factorization.

23920135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 23920135 is about 4890.8215056369. The cubic root of 23920135 is about 288.1295994328.

The spelling of 23920135 in words is "twenty-three million, nine hundred twenty thousand, one hundred thirty-five".

Divisors: 1 5 1217 3931 6085 19655 4784027 23920135