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5445372747 = 31815124249
BaseRepresentation
bin1010001001001000…
…11100101101001011
3112001111102121010010
411010210130231023
542123003411442
62300201123003
7251640622203
oct50444345513
915044377103
105445372747
112344853161
12107b789463
1368a1c8369
143992b7403
1521d0cdb9c
hex14491cb4b

5445372747 has 4 divisors (see below), whose sum is σ = 7260497000. Its totient is φ = 3630248496.

The previous prime is 5445372743. The next prime is 5445372749. The reversal of 5445372747 is 7472735445.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5445372747 - 22 = 5445372743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5445372696 and 5445372705.

It is not an unprimeable number, because it can be changed into a prime (5445372743) 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, 907562122 + ... + 907562127.

It is an arithmetic number, because the mean of its divisors is an integer number (1815124250).

Almost surely, 25445372747 is an apocalyptic number.

5445372747 is a deficient number, since it is larger than the sum of its proper divisors (1815124253).

5445372747 is a wasteful number, since it uses less digits than its factorization.

5445372747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815124252.

The product of its digits is 3292800, while the sum is 48.

The square root of 5445372747 is about 73792.7689343610. The cubic root of 5445372747 is about 1759.3106747626.

The spelling of 5445372747 in words is "five billion, four hundred forty-five million, three hundred seventy-two thousand, seven hundred forty-seven".

Divisors: 1 3 1815124249 5445372747