Search a number
-
+
23124736 = 28103877
BaseRepresentation
bin101100000110…
…1101100000000
31121111212011201
41120031230000
521404442421
62143350544
7400362025
oct130155400
947455151
1023124736
1112064a58
1278b2454
134a3879b
1430dd54c
15206bb91
hex160db00

23124736 has 36 divisors (see below), whose sum is σ = 46660432. Its totient is φ = 11437056.

The previous prime is 23124727. The next prime is 23124749. The reversal of 23124736 is 63742132.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25930 + ... + 26806.

Almost surely, 223124736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23124736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23330216).

23124736 is an abundant number, since it is smaller than the sum of its proper divisors (23535696).

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

23124736 is an equidigital number, since it uses as much as digits as its factorization.

23124736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 982 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 23124736 is about 4808.8185659266. The cubic root of 23124736 is about 284.8998765975.

Adding to 23124736 its reverse (63742132), we get a palindrome (86866868).

The spelling of 23124736 in words is "twenty-three million, one hundred twenty-four thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 103 128 206 256 412 824 877 1648 1754 3296 3508 6592 7016 13184 14032 26368 28064 56128 90331 112256 180662 224512 361324 722648 1445296 2890592 5781184 11562368 23124736