Search a number
-
+
23090712 = 2332359709
BaseRepresentation
bin101100000010…
…1011000011000
31121110010111120
41120011120120
521402400322
62142525240
7400160601
oct130053030
947403446
1023090712
1112041437
127896820
134a26158
1430d0da8
152061a5c
hex1605618

23090712 has 64 divisors (see below), whose sum is σ = 61344000. Its totient is φ = 7227264.

The previous prime is 23090693. The next prime is 23090729. The reversal of 23090712 is 21709032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32214 + ... + 32922.

It is an arithmetic number, because the mean of its divisors is an integer number (958500).

Almost surely, 223090712 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 23090712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30672000).

23090712 is an abundant number, since it is smaller than the sum of its proper divisors (38253288).

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

23090712 is a wasteful number, since it uses less digits than its factorization.

23090712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 23090712 is about 4805.2795964439. The cubic root of 23090712 is about 284.7600812523.

Adding to 23090712 its reverse (21709032), we get a palindrome (44799744).

The spelling of 23090712 in words is "twenty-three million, ninety thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 23 24 46 59 69 92 118 138 177 184 236 276 354 472 552 708 709 1357 1416 1418 2127 2714 2836 4071 4254 5428 5672 8142 8508 10856 16284 16307 17016 32568 32614 41831 48921 65228 83662 97842 125493 130456 167324 195684 250986 334648 391368 501972 962113 1003944 1924226 2886339 3848452 5772678 7696904 11545356 23090712