Search a number
-
+
51844001 = 1123204917
BaseRepresentation
bin1100010111000…
…1001110100001
310121112221121012
43011301032201
5101233002001
65051110305
71166444456
oct305611641
9117487535
1051844001
11272a0190
1215442395
13a982831
146c5782d
1548412bb
hex31713a1

51844001 has 8 divisors (see below), whose sum is σ = 59016384. Its totient is φ = 45081520.

The previous prime is 51843991. The next prime is 51844031. The reversal of 51844001 is 10044815.

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

It is not a de Polignac number, because 51844001 - 26 = 51843937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51844031) 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, 102206 + ... + 102711.

It is an arithmetic number, because the mean of its divisors is an integer number (7377048).

Almost surely, 251844001 is an apocalyptic number.

It is an amenable number.

51844001 is a deficient number, since it is larger than the sum of its proper divisors (7172383).

51844001 is a wasteful number, since it uses less digits than its factorization.

51844001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204951.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 51844001 is about 7200.2778418614. The cubic root of 51844001 is about 372.8774930890.

Adding to 51844001 its reverse (10044815), we get a palindrome (61888816).

The spelling of 51844001 in words is "fifty-one million, eight hundred forty-four thousand, one".

Divisors: 1 11 23 253 204917 2254087 4713091 51844001