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452474749 = 835451503
BaseRepresentation
bin11010111110000…
…011011101111101
31011112102002200001
4122332003131331
51411313142444
6112522034301
714132654236
oct3276033575
91145362601
10452474749
11212456a81
12107648991
137298524c
144414408d
1529acb8d4
hex1af8377d

452474749 has 4 divisors (see below), whose sum is σ = 457926336. Its totient is φ = 447023164.

The previous prime is 452474731. The next prime is 452474761. The reversal of 452474749 is 947474254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 452474749 - 211 = 452472701 is a prime.

It is a super-2 number, since 2×4524747492 = 409466796965226002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452474699 and 452474708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452474719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725669 + ... + 2725834.

It is an arithmetic number, because the mean of its divisors is an integer number (114481584).

Almost surely, 2452474749 is an apocalyptic number.

It is an amenable number.

452474749 is a deficient number, since it is larger than the sum of its proper divisors (5451587).

452474749 is an equidigital number, since it uses as much as digits as its factorization.

452474749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451586.

The product of its digits is 1128960, while the sum is 46.

The square root of 452474749 is about 21271.4538525226. The cubic root of 452474749 is about 767.7116232530.

The spelling of 452474749 in words is "four hundred fifty-two million, four hundred seventy-four thousand, seven hundred forty-nine".

Divisors: 1 83 5451503 452474749