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535423 = 74223
BaseRepresentation
bin10000010101101111111
31000012110111
42002231333
5114113143
615250451
74360000
oct2025577
91005414
10535423
113362a9
12219a27
13159925
14dd1a7
15a899d
hex82b7f

535423 has 10 divisors (see below), whose sum is σ = 627424. Its totient is φ = 456876.

The previous prime is 535399. The next prime is 535481. The reversal of 535423 is 324535.

It is not a de Polignac number, because 535423 - 25 = 535391 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 535394 and 535403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2290 + ... + 2512.

2535423 is an apocalyptic number.

535423 is a deficient number, since it is larger than the sum of its proper divisors (92001).

535423 is an frugal number, since it uses more digits than its factorization.

535423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 230 counting only the distinct ones).

The product of its digits is 1800, while the sum is 22.

The square root of 535423 is about 731.7260416303. The cubic root of 535423 is about 81.2018033686.

Adding to 535423 its reverse (324535), we get a palindrome (859958).

It can be divided in two parts, 53 and 5423, that added together give a square (5476 = 742).

The spelling of 535423 in words is "five hundred thirty-five thousand, four hundred twenty-three".

Divisors: 1 7 49 223 343 1561 2401 10927 76489 535423