Search a number
-
+
122386 = 2115563
BaseRepresentation
bin11101111000010010
320012212211
4131320102
512404021
62342334
71016545
oct357022
9205784
10122386
1183a50
125a9aa
1343924
143285c
15263e1
hex1de12

122386 has 8 divisors (see below), whose sum is σ = 200304. Its totient is φ = 55620.

The previous prime is 122363. The next prime is 122387. The reversal of 122386 is 683221.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5563 = 122386 / (1 + 2 + 2 + 3 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (122387) by changing a digit.

122386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (25038).

2122386 is an apocalyptic number.

122386 is a deficient number, since it is larger than the sum of its proper divisors (77918).

122386 is a wasteful number, since it uses less digits than its factorization.

122386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576.

The product of its digits is 576, while the sum is 22.

The square root of 122386 is about 349.8371049503. The cubic root of 122386 is about 49.6490085318.

The spelling of 122386 in words is "one hundred twenty-two thousand, three hundred eighty-six".

Divisors: 1 2 11 22 5563 11126 61193 122386