Search a number
-
+
5018945 = 519232297
BaseRepresentation
bin10011001001010101000001
3100102222200212
4103021111001
52241101240
6255323505
760442331
oct23112501
910388625
105018945
112918898
121820595
1310695b9
149490c1
15692165
hex4c9541

5018945 has 16 divisors (see below), whose sum is σ = 6618240. Its totient is φ = 3636864.

The previous prime is 5018929. The next prime is 5018947. The reversal of 5018945 is 5498105.

5018945 = 1182 + 1192 + ... + 2552.

It is a cyclic number.

It is not a de Polignac number, because 5018945 - 24 = 5018929 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (5018947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (413640).

Almost surely, 25018945 is an apocalyptic number.

It is an amenable number.

5018945 is a deficient number, since it is larger than the sum of its proper divisors (1599295).

5018945 is a wasteful number, since it uses less digits than its factorization.

5018945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

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

The square root of 5018945 is about 2240.3002030978. The cubic root of 5018945 is about 171.2132924324.

The spelling of 5018945 in words is "five million, eighteen thousand, nine hundred forty-five".

Divisors: 1 5 19 23 95 115 437 2185 2297 11485 43643 52831 218215 264155 1003789 5018945