[go: up one dir, main page]

Search a number
-
+
20083401 = 3213171653
BaseRepresentation
bin100110010011…
…1001011001001
31101210100020200
41030213023021
520120132101
61554242413
7332464122
oct114471311
941710220
1020083401
1110377a58
126886409
134212390
14294b049
151b6a986
hex13272c9

20083401 has 12 divisors (see below), whose sum is σ = 31241028. Its totient is φ = 12358944.

The previous prime is 20083391. The next prime is 20083403. The reversal of 20083401 is 10438002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6245001 + 13838400 = 2499^2 + 3720^2 .

It is not a de Polignac number, because 20083401 - 25 = 20083369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20083403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85710 + ... + 85943.

It is an arithmetic number, because the mean of its divisors is an integer number (2603419).

Almost surely, 220083401 is an apocalyptic number.

It is an amenable number.

20083401 is a deficient number, since it is larger than the sum of its proper divisors (11157627).

20083401 is a wasteful number, since it uses less digits than its factorization.

20083401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171672 (or 171669 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20083401 is about 4481.4507695611. The cubic root of 20083401 is about 271.8185469787.

The spelling of 20083401 in words is "twenty million, eighty-three thousand, four hundred one".

Divisors: 1 3 9 13 39 117 171653 514959 1544877 2231489 6694467 20083401