Search a number
-
+
23494880 = 255146843
BaseRepresentation
bin101100110100…
…0000011100000
31122012122220202
41121220003200
522003314010
62155324332
7403463123
oct131500340
948178822
1023494880
1112298062
127a506a8
134b380c6
1431983ba
1520e16a5
hex16680e0

23494880 has 24 divisors (see below), whose sum is σ = 55507032. Its totient is φ = 9397888.

The previous prime is 23494871. The next prime is 23494883. The reversal of 23494880 is 8849432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23494883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73262 + ... + 73581.

It is an arithmetic number, because the mean of its divisors is an integer number (2312793).

Almost surely, 223494880 is an apocalyptic number.

23494880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23494880 is an abundant number, since it is smaller than the sum of its proper divisors (32012152).

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

23494880 is a wasteful number, since it uses less digits than its factorization.

23494880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146858 (or 146850 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 23494880 is about 4847.1517409712. The cubic root of 23494880 is about 286.4119123662.

The spelling of 23494880 in words is "twenty-three million, four hundred ninety-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 146843 293686 587372 734215 1174744 1468430 2349488 2936860 4698976 5873720 11747440 23494880