Search a number
-
+
5081945 = 51192399
BaseRepresentation
bin10011011000101101011001
3100120012010012
4103120231121
52300110240
6300531305
761124111
oct23305531
910505105
105081945
112961160
121850b35
13108c18b
14964041
156a5b65
hex4d8b59

5081945 has 8 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 3695920.

The previous prime is 5081941. The next prime is 5081953. The reversal of 5081945 is 5491805.

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

It is not a de Polignac number, because 5081945 - 22 = 5081941 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5081941) 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, 46145 + ... + 46254.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 25081945 is an apocalyptic number.

5081945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5081945 is a deficient number, since it is larger than the sum of its proper divisors (1570855).

5081945 is a wasteful number, since it uses less digits than its factorization.

5081945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92415.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5081945 is about 2254.3169697272. The cubic root of 5081945 is about 171.9266971761.

The spelling of 5081945 in words is "five million, eighty-one thousand, nine hundred forty-five".

Divisors: 1 5 11 55 92399 461995 1016389 5081945