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5212423 = 19726459
BaseRepresentation
bin10011111000100100000111
3100210211002201
4103320210013
52313244143
6303415331
762206366
oct23704407
910724081
105212423
112a40197
1218b4547
131106698
149997dd
156ce64d
hex4f8907

5212423 has 4 divisors (see below), whose sum is σ = 5239080. Its totient is φ = 5185768.

The previous prime is 5212409. The next prime is 5212447. The reversal of 5212423 is 3242125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5212423 - 213 = 5204231 is a prime.

It is a Duffinian number.

5212423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5212423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210423) 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 3 ways as a sum of consecutive naturals, for example, 13033 + ... + 13426.

It is an arithmetic number, because the mean of its divisors is an integer number (1309770).

Almost surely, 25212423 is an apocalyptic number.

5212423 is a deficient number, since it is larger than the sum of its proper divisors (26657).

5212423 is a wasteful number, since it uses less digits than its factorization.

5212423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656.

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

The square root of 5212423 is about 2283.0731481930. The cubic root of 5212423 is about 173.3856765817.

Adding to 5212423 its reverse (3242125), we get a palindrome (8454548).

The spelling of 5212423 in words is "five million, two hundred twelve thousand, four hundred twenty-three".

Divisors: 1 197 26459 5212423