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23426385 = 351561759
BaseRepresentation
bin101100101011…
…1010101010001
31122002011221220
41121113111101
521444121020
62154035253
7403056333
oct131272521
948064856
1023426385
1112250654
127a18b29
134b12b88
14317b453
1520cb240
hex1657551

23426385 has 8 divisors (see below), whose sum is σ = 37482240. Its totient is φ = 12494064.

The previous prime is 23426383. The next prime is 23426399. The reversal of 23426385 is 58362432.

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 23426385 - 21 = 23426383 is a prime.

It is a super-3 number, since 3×234263853 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23426383) 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, 780865 + ... + 780894.

It is an arithmetic number, because the mean of its divisors is an integer number (4685280).

Almost surely, 223426385 is an apocalyptic number.

It is an amenable number.

23426385 is a deficient number, since it is larger than the sum of its proper divisors (14055855).

23426385 is a wasteful number, since it uses less digits than its factorization.

23426385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561767.

The product of its digits is 34560, while the sum is 33.

The square root of 23426385 is about 4840.0810943620. The cubic root of 23426385 is about 286.1333143782.

The spelling of 23426385 in words is "twenty-three million, four hundred twenty-six thousand, three hundred eighty-five".

Divisors: 1 3 5 15 1561759 4685277 7808795 23426385