Search a number
-
+
20233433 = 1112891427
BaseRepresentation
bin100110100101…
…1110011011001
31102001222001102
41031023303121
520134432213
62001401145
7333660413
oct115136331
942058042
1020233433
111046a750
1269391b5
13426575c
1429899b3
151b9a158
hex134bcd9

20233433 has 8 divisors (see below), whose sum is σ = 22105440. Its totient is φ = 18366880.

The previous prime is 20233427. The next prime is 20233457. The reversal of 20233433 is 33433202.

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

It is a cyclic number.

It is not a de Polignac number, because 20233433 - 210 = 20232409 is a prime.

It is a super-3 number, since 3×202334333 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13466 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (2763180).

Almost surely, 220233433 is an apocalyptic number.

It is an amenable number.

20233433 is a deficient number, since it is larger than the sum of its proper divisors (1872007).

20233433 is a wasteful number, since it uses less digits than its factorization.

20233433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 20233433 is about 4498.1588455723. The cubic root of 20233433 is about 272.4937371958.

Adding to 20233433 its reverse (33433202), we get a palindrome (53666635).

The spelling of 20233433 in words is "twenty million, two hundred thirty-three thousand, four hundred thirty-three".

Divisors: 1 11 1289 1427 14179 15697 1839403 20233433