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415023 = 3719763
BaseRepresentation
bin1100101010100101111
3210002022020
41211110233
5101240043
612521223
73345660
oct1452457
9702266
10415023
112638a4
12180213
13116b9b
14ab367
1582e83
hex6552f

415023 has 8 divisors (see below), whose sum is σ = 632448. Its totient is φ = 237144.

The previous prime is 415013. The next prime is 415031. The reversal of 415023 is 320514.

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

It is not a de Polignac number, because 415023 - 25 = 414991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 414993 and 415011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415013) 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, 9861 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (79056).

2415023 is an apocalyptic number.

415023 is a deficient number, since it is larger than the sum of its proper divisors (217425).

415023 is a wasteful number, since it uses less digits than its factorization.

415023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19773.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 415023 is about 644.2227875510. Note that the first 3 decimals coincide. The cubic root of 415023 is about 74.5917372080.

Adding to 415023 its reverse (320514), we get a palindrome (735537).

The spelling of 415023 in words is "four hundred fifteen thousand, twenty-three".

Divisors: 1 3 7 21 19763 59289 138341 415023