Search a number
-
+
39222741 = 313074247
BaseRepresentation
bin1001010110011…
…1110111010101
32201210201111010
42111213313111
540020111431
63520402433
7654250005
oct225476725
981721433
1039222741
112015a698
1211176419
138183b2c
1452d0005
15369b846
hex2567dd5

39222741 has 4 divisors (see below), whose sum is σ = 52296992. Its totient is φ = 26148492.

The previous prime is 39222739. The next prime is 39222749. The reversal of 39222741 is 14722293.

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: 14722293 = 34907431.

It is not a de Polignac number, because 39222741 - 21 = 39222739 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39222699 and 39222708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39222749) 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, 6537121 + ... + 6537126.

It is an arithmetic number, because the mean of its divisors is an integer number (13074248).

Almost surely, 239222741 is an apocalyptic number.

It is an amenable number.

39222741 is a deficient number, since it is larger than the sum of its proper divisors (13074251).

39222741 is a wasteful number, since it uses less digits than its factorization.

39222741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13074250.

The product of its digits is 6048, while the sum is 30.

The square root of 39222741 is about 6262.8061601809. The cubic root of 39222741 is about 339.7655274971.

The spelling of 39222741 in words is "thirty-nine million, two hundred twenty-two thousand, seven hundred forty-one".

Divisors: 1 3 13074247 39222741