Search a number
-
+
23026816 = 27179897
BaseRepresentation
bin101011111010…
…1110010000000
31121022212212001
41113311302000
521343324231
62141313344
7366503401
oct127656200
947285761
1023026816
1111aa842a
127865854
134a03047
1430b59a8
15204cb61
hex15f5c80

23026816 has 16 divisors (see below), whose sum is σ = 45873990. Its totient is φ = 11513344.

The previous prime is 23026811. The next prime is 23026849. The reversal of 23026816 is 61862032.

It can be written as a sum of positive squares in only one way, i.e., 12110400 + 10916416 = 3480^2 + 3304^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (23026811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89821 + ... + 90076.

Almost surely, 223026816 is an apocalyptic number.

It is an amenable number.

23026816 is a deficient number, since it is larger than the sum of its proper divisors (22847174).

23026816 is an equidigital number, since it uses as much as digits as its factorization.

23026816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179911 (or 179899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23026816 is about 4798.6264701475. The cubic root of 23026816 is about 284.4971784463.

Adding to 23026816 its reverse (61862032), we get a palindrome (84888848).

The spelling of 23026816 in words is "twenty-three million, twenty-six thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 179897 359794 719588 1439176 2878352 5756704 11513408 23026816