Search a number
-
+
50970901 = 192682679
BaseRepresentation
bin1100001001110…
…0000100010101
310112220120221011
43002130010111
5101022032101
65020252221
71156150132
oct302340425
9115816834
1050970901
1126854213
12150a1071
13a7382c7
146aab589
15471c751
hex309c115

50970901 has 4 divisors (see below), whose sum is σ = 53653600. Its totient is φ = 48288204.

The previous prime is 50970877. The next prime is 50970911. The reversal of 50970901 is 10907905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10907905 = 52181581.

It is a cyclic number.

It is not a de Polignac number, because 50970901 - 215 = 50938133 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 (50970911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341321 + ... + 1341358.

It is an arithmetic number, because the mean of its divisors is an integer number (13413400).

Almost surely, 250970901 is an apocalyptic number.

It is an amenable number.

50970901 is a deficient number, since it is larger than the sum of its proper divisors (2682699).

50970901 is a wasteful number, since it uses less digits than its factorization.

50970901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682698.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 50970901 is about 7139.3908003414. The cubic root of 50970901 is about 370.7724330521.

The spelling of 50970901 in words is "fifty million, nine hundred seventy thousand, nine hundred one".

Divisors: 1 19 2682679 50970901