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423415 = 5194457
BaseRepresentation
bin1100111010111110111
3210111211001
41213113313
5102022130
613024131
73412306
oct1472767
9714731
10423415
1126a133
12185047
1311a955
14b043d
15856ca
hex675f7

423415 has 8 divisors (see below), whose sum is σ = 534960. Its totient is φ = 320832.

The previous prime is 423413. The next prime is 423427. The reversal of 423415 is 514324.

423415 = 2892 + 2902 + ... + 2932.

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

It is a cyclic number.

It is not a de Polignac number, because 423415 - 21 = 423413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 423392 and 423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423413) 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, 2134 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (66870).

2423415 is an apocalyptic number.

423415 is a deficient number, since it is larger than the sum of its proper divisors (111545).

423415 is a wasteful number, since it uses less digits than its factorization.

423415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481.

The product of its digits is 480, while the sum is 19.

The square root of 423415 is about 650.7034654895. The cubic root of 423415 is about 75.0911484405.

Adding to 423415 its reverse (514324), we get a palindrome (937739).

Subtracting 423415 from its reverse (514324), we obtain a palindrome (90909).

It can be divided in two parts, 423 and 415, that added together give a palindrome (838).

The spelling of 423415 in words is "four hundred twenty-three thousand, four hundred fifteen".

Divisors: 1 5 19 95 4457 22285 84683 423415