[go: up one dir, main page]

Search a number
-
+
23180716 = 2213253647
BaseRepresentation
bin101100001101…
…1010110101100
31121121200222001
41120123112230
521413240331
62144502044
7401014156
oct130332654
947550861
1023180716
11120a3019
12791a924
134a58100
143115ad6
15207d561
hex161b5ac

23180716 has 36 divisors (see below), whose sum is σ = 44824752. Its totient is φ = 10480704.

The previous prime is 23180699. The next prime is 23180737. The reversal of 23180716 is 61708132.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35505 + ... + 36151.

It is an arithmetic number, because the mean of its divisors is an integer number (1245132).

Almost surely, 223180716 is an apocalyptic number.

23180716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23180716 is a deficient number, since it is larger than the sum of its proper divisors (21644036).

23180716 is a wasteful number, since it uses less digits than its factorization.

23180716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 23180716 is about 4814.6356040722. The cubic root of 23180716 is about 285.1295850638.

Adding to 23180716 its reverse (61708132), we get a palindrome (84888848).

The spelling of 23180716 in words is "twenty-three million, one hundred eighty thousand, seven hundred sixteen".

Divisors: 1 2 4 13 26 52 53 106 169 212 338 647 676 689 1294 1378 2588 2756 8411 8957 16822 17914 33644 34291 35828 68582 109343 137164 218686 437372 445783 891566 1783132 5795179 11590358 23180716