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9812423 = 97101159
BaseRepresentation
bin100101011011…
…100111000111
3200110112010002
4211123213013
510002444143
6550151515
7146255435
oct45334707
920415102
109812423
1155a2245
12335259b
13205738a
141435d55
15cdc5b8
hex95b9c7

9812423 has 4 divisors (see below), whose sum is σ = 9913680. Its totient is φ = 9711168.

The previous prime is 9812393. The next prime is 9812431. The reversal of 9812423 is 3242189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242189 = 17190717.

It is a cyclic number.

It is not a de Polignac number, because 9812423 - 28 = 9812167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9812443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50483 + ... + 50676.

It is an arithmetic number, because the mean of its divisors is an integer number (2478420).

Almost surely, 29812423 is an apocalyptic number.

9812423 is a deficient number, since it is larger than the sum of its proper divisors (101257).

9812423 is a wasteful number, since it uses less digits than its factorization.

9812423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101256.

The product of its digits is 3456, while the sum is 29.

The square root of 9812423 is about 3132.4787309733. The cubic root of 9812423 is about 214.0878827911.

It can be divided in two parts, 98 and 12423, that added together give a palindrome (12521).

The spelling of 9812423 in words is "nine million, eight hundred twelve thousand, four hundred twenty-three".

Divisors: 1 97 101159 9812423