Search a number
-
+
23285434 = 229401473
BaseRepresentation
bin101100011010…
…0111010111010
31121211000121111
41120310322322
521430113214
62151030534
7401631364
oct130647272
947730544
1023285434
1112164767
12796b44a
134a93983
143141d34
15209e5c4
hex1634eba

23285434 has 8 divisors (see below), whose sum is σ = 36132660. Its totient is φ = 11241216.

The previous prime is 23285429. The next prime is 23285459. The reversal of 23285434 is 43458232.

It can be written as a sum of positive squares in 2 ways, for example, as 20385225 + 2900209 = 4515^2 + 1703^2 .

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

It is a super-2 number, since 2×232854342 = 1084422873136712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23285396 and 23285405.

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, 200679 + ... + 200794.

Almost surely, 223285434 is an apocalyptic number.

23285434 is a deficient number, since it is larger than the sum of its proper divisors (12847226).

23285434 is a wasteful number, since it uses less digits than its factorization.

23285434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401504.

The product of its digits is 23040, while the sum is 31.

The square root of 23285434 is about 4825.4983162364. The cubic root of 23285434 is about 285.5582941582.

The spelling of 23285434 in words is "twenty-three million, two hundred eighty-five thousand, four hundred thirty-four".

Divisors: 1 2 29 58 401473 802946 11642717 23285434