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452138497 = 19137173699
BaseRepresentation
bin11010111100110…
…001011000000001
31011111210000102021
4122330301120001
51411221412442
6112510521441
714130054016
oct3274613001
91144700367
10452138497
11212247388
12107506281
1372898195
144409770d
1529a61e67
hex1af31601

452138497 has 8 divisors (see below), whose sum is σ = 479412000. Its totient is φ = 425212704.

The previous prime is 452138429. The next prime is 452138501. The reversal of 452138497 is 794831254.

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

It is not a de Polignac number, because 452138497 - 227 = 317920769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402138497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84247 + ... + 89452.

It is an arithmetic number, because the mean of its divisors is an integer number (59926500).

Almost surely, 2452138497 is an apocalyptic number.

It is an amenable number.

452138497 is a deficient number, since it is larger than the sum of its proper divisors (27273503).

452138497 is a wasteful number, since it uses less digits than its factorization.

452138497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173855.

The product of its digits is 241920, while the sum is 43.

The square root of 452138497 is about 21263.5485514530. The cubic root of 452138497 is about 767.5214037681.

The spelling of 452138497 in words is "four hundred fifty-two million, one hundred thirty-eight thousand, four hundred ninety-seven".

Divisors: 1 19 137 2603 173699 3300281 23796763 452138497