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1415455243 = 4730116069
BaseRepresentation
bin101010001011110…
…0010001000001011
310122122102120120021
41110113202020023
510344324031433
6352242041311
750035112446
oct12427421013
93578376507
101415455243
11666a95524
12336049237
131973303a7
14d5db665d
15843e922d
hex545e220b

1415455243 has 4 divisors (see below), whose sum is σ = 1445571360. Its totient is φ = 1385339128.

The previous prime is 1415455193. The next prime is 1415455267. The reversal of 1415455243 is 3425545141.

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 1415455243 - 229 = 878584331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415455199 and 1415455208.

It is not an unprimeable number, because it can be changed into a prime (1415435243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15057988 + ... + 15058081.

It is an arithmetic number, because the mean of its divisors is an integer number (361392840).

Almost surely, 21415455243 is an apocalyptic number.

1415455243 is a deficient number, since it is larger than the sum of its proper divisors (30116117).

1415455243 is an equidigital number, since it uses as much as digits as its factorization.

1415455243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30116116.

The product of its digits is 48000, while the sum is 34.

The square root of 1415455243 is about 37622.5363711699. The cubic root of 1415455243 is about 1122.7904597352.

The spelling of 1415455243 in words is "one billion, four hundred fifteen million, four hundred fifty-five thousand, two hundred forty-three".

Divisors: 1 47 30116069 1415455243