Search a number
-
+
50902217 = 3113911813
BaseRepresentation
bin1100001000101…
…1010011001001
310112210002201022
43002023103021
5101012332332
65015002225
71155442652
oct302132311
9115702638
1050902217
1126807653
1215069375
13a712c72
146a90529
154707212
hex308b4c9

50902217 has 8 divisors (see below), whose sum is σ = 52926720. Its totient is φ = 48901680.

The previous prime is 50902211. The next prime is 50902231. The reversal of 50902217 is 71220905.

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 50902217 - 214 = 50885833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50902211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598 + ... + 10215.

It is an arithmetic number, because the mean of its divisors is an integer number (6615840).

Almost surely, 250902217 is an apocalyptic number.

It is an amenable number.

50902217 is a deficient number, since it is larger than the sum of its proper divisors (2024503).

50902217 is a wasteful number, since it uses less digits than its factorization.

50902217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 50902217 is about 7134.5789644519. The cubic root of 50902217 is about 370.6058178493.

The spelling of 50902217 in words is "fifty million, nine hundred two thousand, two hundred seventeen".

Divisors: 1 31 139 4309 11813 366203 1642007 50902217