Search a number
-
+
23689492 = 22137139311
BaseRepresentation
bin101101001011…
…1100100010100
31122120112212121
41122113210110
522031030432
62203425324
7405233401
oct132274424
948515777
1023689492
11124102a2
127b25244
134ba5868
1432092a8
15212e197
hex1697914

23689492 has 24 divisors (see below), whose sum is σ = 42194880. Its totient is φ = 11636160.

The previous prime is 23689469. The next prime is 23689499. The reversal of 23689492 is 29498632.

It is a super-2 number, since 2×236894922 = 1122384062436128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23689499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76017 + ... + 76327.

It is an arithmetic number, because the mean of its divisors is an integer number (1758120).

Almost surely, 223689492 is an apocalyptic number.

It is an amenable number.

23689492 is a deficient number, since it is larger than the sum of its proper divisors (18505388).

23689492 is a wasteful number, since it uses less digits than its factorization.

23689492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 23689492 is about 4867.1852235147. The cubic root of 23689492 is about 287.2005380923.

The spelling of 23689492 in words is "twenty-three million, six hundred eighty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 137 139 274 278 311 548 556 622 1244 19043 38086 42607 43229 76172 85214 86458 170428 172916 5922373 11844746 23689492