Search a number
-
+
23046290 = 252304629
BaseRepresentation
bin101011111101…
…0100010010010
31121100212120022
41113322202102
521344440130
62141543442
7366614231
oct127724222
947325508
1023046290
1112011023
127874b82
134a0bb77
1430bcb18
1520537e5
hex15fa892

23046290 has 8 divisors (see below), whose sum is σ = 41483340. Its totient is φ = 9218512.

The previous prime is 23046239. The next prime is 23046313. The reversal of 23046290 is 9264032.

It can be written as a sum of positive squares in 2 ways, for example, as 22972849 + 73441 = 4793^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×230462902 = 1062262965528200, which contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 1152305 + ... + 1152324.

Almost surely, 223046290 is an apocalyptic number.

23046290 is a deficient number, since it is larger than the sum of its proper divisors (18437050).

23046290 is a wasteful number, since it uses less digits than its factorization.

23046290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304636.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23046290 is about 4800.6551636209. The cubic root of 23046290 is about 284.5773565157.

The spelling of 23046290 in words is "twenty-three million, forty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 2304629 4609258 11523145 23046290