Search a number
-
+
22137079 = 1011491471
BaseRepresentation
bin101010001110…
…0100011110111
31112122200100211
41110130203313
521131341304
62110250251
7356106406
oct124344367
945580324
1022137079
111154aa08
1274b6987
134781083
142d2363d
151e24204
hex151c8f7

22137079 has 8 divisors (see below), whose sum is σ = 22521600. Its totient is φ = 21756000.

The previous prime is 22137067. The next prime is 22137103. The reversal of 22137079 is 97073122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22137079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22137079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22137779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14314 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (2815200).

Almost surely, 222137079 is an apocalyptic number.

22137079 is a deficient number, since it is larger than the sum of its proper divisors (384521).

22137079 is a wasteful number, since it uses less digits than its factorization.

22137079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 22137079 is about 4705.0057385725. The cubic root of 22137079 is about 280.7846993378.

The spelling of 22137079 in words is "twenty-two million, one hundred thirty-seven thousand, seventy-nine".

Divisors: 1 101 149 1471 15049 148571 219179 22137079