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2043682445 = 5728341561
BaseRepresentation
bin111100111010000…
…0001111010001101
312021102112211021102
41321310001322031
513141140314240
6534443112445
7101434004600
oct17164017215
95242484242
102043682445
11959672962
12490512725
1326753006c
141555ca337
15be640815
hex79d01e8d

2043682445 has 12 divisors (see below), whose sum is σ = 2852814204. Its totient is φ = 1401382080.

The previous prime is 2043682423. The next prime is 2043682447. The reversal of 2043682445 is 5442863402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 257859364 + 1785823081 = 16058^2 + 42259^2 .

It is not a de Polignac number, because 2043682445 - 212 = 2043678349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043682399 and 2043682408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043682447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4170536 + ... + 4171025.

It is an arithmetic number, because the mean of its divisors is an integer number (237734517).

Almost surely, 22043682445 is an apocalyptic number.

It is an amenable number.

2043682445 is a deficient number, since it is larger than the sum of its proper divisors (809131759).

2043682445 is an equidigital number, since it uses as much as digits as its factorization.

2043682445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341580 (or 8341573 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The square root of 2043682445 is about 45207.1061338812. The cubic root of 2043682445 is about 1269.0278059923.

The spelling of 2043682445 in words is "two billion, forty-three million, six hundred eighty-two thousand, four hundred forty-five".

Divisors: 1 5 7 35 49 245 8341561 41707805 58390927 291954635 408736489 2043682445