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415422 = 23372157
BaseRepresentation
bin1100101011010111110
3210002212000
41211122332
5101243142
612523130
73350100
oct1453276
9702760
10415422
11264127
121804a6
13117117
14ab570
158314c
hex656be

415422 has 48 divisors (see below), whose sum is σ = 1080720. Its totient is φ = 117936.

The previous prime is 415409. The next prime is 415427. The reversal of 415422 is 224514.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 415395 and 415404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415427) by changing a digit.

415422 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 23 ways as a sum of consecutive naturals, for example, 2568 + ... + 2724.

It is an arithmetic number, because the mean of its divisors is an integer number (22515).

2415422 is an apocalyptic number.

415422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 415422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540360).

415422 is an abundant number, since it is smaller than the sum of its proper divisors (665298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

415422 is a wasteful number, since it uses less digits than its factorization.

415422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 169 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 415422 is about 644.5323886354. The cubic root of 415422 is about 74.6156335306.

Adding to 415422 its reverse (224514), we get a palindrome (639936).

The spelling of 415422 in words is "four hundred fifteen thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 98 126 147 157 189 294 314 378 441 471 882 942 1099 1323 1413 2198 2646 2826 3297 4239 6594 7693 8478 9891 15386 19782 23079 29673 46158 59346 69237 138474 207711 415422