[go: up one dir, main page]

Search a number
-
+
23438408 = 237571733
BaseRepresentation
bin101100101101…
…0010001001000
31122002210110012
41121122101020
522000012113
62154211052
7403136360
oct131322110
948083405
1023438408
1112259694
127a23a88
134b184a6
1431819a0
1520ceaa8
hex165a448

23438408 has 32 divisors (see below), whose sum is σ = 50381760. Its totient is φ = 10013760.

The previous prime is 23438407. The next prime is 23438411. The reversal of 23438408 is 80483432.

It is not an unprimeable number, because it can be changed into a prime (23438407) 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, 31610 + ... + 32342.

It is an arithmetic number, because the mean of its divisors is an integer number (1574430).

Almost surely, 223438408 is an apocalyptic number.

23438408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23438408 is an abundant number, since it is smaller than the sum of its proper divisors (26943352).

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

23438408 is a wasteful number, since it uses less digits than its factorization.

23438408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 23438408 is about 4841.3229596878. The cubic root of 23438408 is about 286.1822562369.

The spelling of 23438408 in words is "twenty-three million, four hundred thirty-eight thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 28 56 571 733 1142 1466 2284 2932 3997 4568 5131 5864 7994 10262 15988 20524 31976 41048 418543 837086 1674172 2929801 3348344 5859602 11719204 23438408