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422357 = 1353613
BaseRepresentation
bin1100111000111010101
3210110100212
41213013111
5102003412
613015205
73406235
oct1470725
9713325
10422357
11269361
12184505
1311a320
14adcc5
1585222
hex671d5

422357 has 8 divisors (see below), whose sum is σ = 464184. Its totient is φ = 381888.

The previous prime is 422353. The next prime is 422363. The reversal of 422357 is 753224.

It can be written as a sum of positive squares in 4 ways, for example, as 1156 + 421201 = 34^2 + 649^2 .

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

It is not a de Polignac number, because 422357 - 22 = 422353 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (58023).

2422357 is an apocalyptic number.

It is an amenable number.

422357 is a deficient number, since it is larger than the sum of its proper divisors (41827).

422357 is a wasteful number, since it uses less digits than its factorization.

422357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 1680, while the sum is 23.

The square root of 422357 is about 649.8899906907. The cubic root of 422357 is about 75.0285520920.

The spelling of 422357 in words is "four hundred twenty-two thousand, three hundred fifty-seven".

Divisors: 1 13 53 613 689 7969 32489 422357