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454144331 = 4130013691
BaseRepresentation
bin11011000100011…
…011000101001011
31011122112220220102
4123010123011023
51412230104311
6113021520015
714153106644
oct3304330513
91148486812
10454144331
112133973a3
1210811300b
137311b174
144445a6cb
1529d0b43b
hex1b11b14b

454144331 has 8 divisors (see below), whose sum is σ = 465502128. Its totient is φ = 442800000.

The previous prime is 454144319. The next prime is 454144337. The reversal of 454144331 is 133441454.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-454144331 is a prime.

It is a super-2 number, since 2×4541443312 = 412494146758875122, 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 = 454144294 and 454144303.

It is not an unprimeable number, because it can be changed into a prime (454144337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121196 + ... + 124886.

It is an arithmetic number, because the mean of its divisors is an integer number (58187766).

Almost surely, 2454144331 is an apocalyptic number.

454144331 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

454144331 is a deficient number, since it is larger than the sum of its proper divisors (11357797).

454144331 is a wasteful number, since it uses less digits than its factorization.

454144331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733.

The product of its digits is 11520, while the sum is 29.

The square root of 454144331 is about 21310.6623782556. The cubic root of 454144331 is about 768.6547213443.

Adding to 454144331 its reverse (133441454), we get a palindrome (587585785).

The spelling of 454144331 in words is "four hundred fifty-four million, one hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 41 3001 3691 123041 151331 11076691 454144331