Search a number
-
+
23689734 = 233948289
BaseRepresentation
bin101101001011…
…1101000000110
31122120120012120
41122113220012
522031032414
62203430410
7405234165
oct132275006
948516176
1023689734
11124104a2
127b25406
134ba59c3
1432093dc
15212e2a9
hex1697a06

23689734 has 8 divisors (see below), whose sum is σ = 47379480. Its totient is φ = 7896576.

The previous prime is 23689709. The next prime is 23689763. The reversal of 23689734 is 43798632.

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

23689734 is an admirable number.

It is a super-2 number, since 2×236897342 = 1122406993981512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974139 + ... + 1974150.

It is an arithmetic number, because the mean of its divisors is an integer number (5922435).

Almost surely, 223689734 is an apocalyptic number.

23689734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23689734 is a wasteful number, since it uses less digits than its factorization.

23689734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948294.

The product of its digits is 217728, while the sum is 42.

The square root of 23689734 is about 4867.2100838160. The cubic root of 23689734 is about 287.2015160546.

The spelling of 23689734 in words is "twenty-three million, six hundred eighty-nine thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 3948289 7896578 11844867 23689734