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7428254443 = 61271449353
BaseRepresentation
bin1101110101100001…
…00010101011101011
3201011200120102102221
412322300202223223
5110203113120233
63225033134511
7352036056331
oct67260425353
921150512387
107428254443
113172068565
12153385a437
13914c5ab3c
14506797b51
152d720e42d
hex1bac22aeb

7428254443 has 8 divisors (see below), whose sum is σ = 7577905856. Its totient is φ = 7279502400.

The previous prime is 7428254413. The next prime is 7428254447. The reversal of 7428254443 is 3444528247.

It is a happy number.

7428254443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7428254443 - 225 = 7394700011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7428254443.

It is not an unprimeable number, because it can be changed into a prime (7428254447) 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, 208146 + ... + 241207.

It is an arithmetic number, because the mean of its divisors is an integer number (947238232).

Almost surely, 27428254443 is an apocalyptic number.

7428254443 is a deficient number, since it is larger than the sum of its proper divisors (149651413).

7428254443 is a wasteful number, since it uses less digits than its factorization.

7428254443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449685.

The product of its digits is 860160, while the sum is 43.

The square root of 7428254443 is about 86187.3218228760. The cubic root of 7428254443 is about 1951.1721589956.

The spelling of 7428254443 in words is "seven billion, four hundred twenty-eight million, two hundred fifty-four thousand, four hundred forty-three".

Divisors: 1 61 271 16531 449353 27410533 121774663 7428254443