Search a number
-
+
22150379 = 167132637
BaseRepresentation
bin101010001111…
…1110011101011
31112200100121102
41110133303223
521132303004
62110432015
7356163236
oct124376353
945610542
1022150379
11115599a9
12750260b
134787144
142d2841d
151e2811e
hex151fceb

22150379 has 4 divisors (see below), whose sum is σ = 22283184. Its totient is φ = 22017576.

The previous prime is 22150369. The next prime is 22150393. The reversal of 22150379 is 97305122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22150379 - 24 = 22150363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22150319) 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, 66152 + ... + 66485.

It is an arithmetic number, because the mean of its divisors is an integer number (5570796).

Almost surely, 222150379 is an apocalyptic number.

22150379 is a deficient number, since it is larger than the sum of its proper divisors (132805).

22150379 is a wasteful number, since it uses less digits than its factorization.

22150379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132804.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 22150379 is about 4706.4189146314. The cubic root of 22150379 is about 280.8409200775.

The spelling of 22150379 in words is "twenty-two million, one hundred fifty thousand, three hundred seventy-nine".

Divisors: 1 167 132637 22150379