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4454144531 = 17924883489
BaseRepresentation
bin1000010010111110…
…01101101000010011
3102111102020222121222
410021133031220103
533110230111111
62013551435255
7215243414054
oct41137155023
912442228558
104454144531
111986280791
12a43825b2b
1355ca3c9a5
143037b072b
151b10817db
hex1097cda13

4454144531 has 4 divisors (see below), whose sum is σ = 4479028200. Its totient is φ = 4429260864.

The previous prime is 4454144509. The next prime is 4454144537. The reversal of 4454144531 is 1354414544.

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 4454144531 - 26 = 4454144467 is a prime.

It is a super-2 number, since 2×44541445312 = 39678807006074419922, 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 = 4454144491 and 4454144500.

It is not an unprimeable number, because it can be changed into a prime (4454144537) 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, 12441566 + ... + 12441923.

It is an arithmetic number, because the mean of its divisors is an integer number (1119757050).

Almost surely, 24454144531 is an apocalyptic number.

4454144531 is a deficient number, since it is larger than the sum of its proper divisors (24883669).

4454144531 is a wasteful number, since it uses less digits than its factorization.

4454144531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24883668.

The product of its digits is 76800, while the sum is 35.

The square root of 4454144531 is about 66739.3776641647. The cubic root of 4454144531 is about 1645.3366372822.

The spelling of 4454144531 in words is "four billion, four hundred fifty-four million, one hundred forty-four thousand, five hundred thirty-one".

Divisors: 1 179 24883489 4454144531