Search a number
-
+
50120207 = 2979131167
BaseRepresentation
bin1011111100110…
…0011000001111
310111022100222222
42333030120033
5100312321312
64550125555
71146005024
oct277143017
9114270888
1050120207
1126323065
12149508bb
13a4cb037
14692954b
154600672
hex2fcc60f

50120207 has 16 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 47130720.

The previous prime is 50120177. The next prime is 50120251. The reversal of 50120207 is 70202105.

It is a cyclic number.

It is not a de Polignac number, because 50120207 - 26 = 50120143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50120507) 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, 300038 + ... + 300204.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 250120207 is an apocalyptic number.

50120207 is a deficient number, since it is larger than the sum of its proper divisors (3102193).

50120207 is a wasteful number, since it uses less digits than its factorization.

50120207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 50120207 is about 7079.5626277334. The cubic root of 50120207 is about 368.6981445036.

The spelling of 50120207 in words is "fifty million, one hundred twenty thousand, two hundred seven".

Divisors: 1 29 79 131 167 2291 3799 4843 10349 13193 21877 300121 382597 634433 1728283 50120207