Search a number
-
+
23313836 = 22713193371
BaseRepresentation
bin101100011101…
…1110110101100
31121212110120102
41120323312230
521432020321
62151410232
7402110240
oct130736654
947773512
1023313836
1112184037
127983978
134aa3890
14314c420
1520a7c0b
hex163bdac

23313836 has 48 divisors (see below), whose sum is σ = 52872960. Its totient is φ = 8735040.

The previous prime is 23313809. The next prime is 23313839. The reversal of 23313836 is 63831332.

It is a junction number, because it is equal to n+sod(n) for n = 23313799 and 23313808.

It is not an unprimeable number, because it can be changed into a prime (23313839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5231 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (1101520).

Almost surely, 223313836 is an apocalyptic number.

23313836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23313836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26436480).

23313836 is an abundant number, since it is smaller than the sum of its proper divisors (29559124).

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

23313836 is a wasteful number, since it uses less digits than its factorization.

23313836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414 (or 3412 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 23313836 is about 4828.4403278906. The cubic root of 23313836 is about 285.6743485607.

The spelling of 23313836 in words is "twenty-three million, three hundred thirteen thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 13 14 19 26 28 38 52 76 91 133 182 247 266 364 494 532 988 1729 3371 3458 6742 6916 13484 23597 43823 47194 64049 87646 94388 128098 175292 256196 306761 448343 613522 832637 896686 1227044 1665274 1793372 3330548 5828459 11656918 23313836