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83748243 = 327916081
BaseRepresentation
bin1001111110111…
…10010110010011
312211120211222210
410333132112103
5132414420433
612151003203
72034563655
oct477362623
9184524883
1083748243
1143301327
1224069503
1314473497
14b1a06d5
157544463
hex4fde593

83748243 has 4 divisors (see below), whose sum is σ = 111664328. Its totient is φ = 55832160.

The previous prime is 83748241. The next prime is 83748251. The reversal of 83748243 is 34284738.

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

It is not a de Polignac number, because 83748243 - 21 = 83748241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83748241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13958038 + ... + 13958043.

It is an arithmetic number, because the mean of its divisors is an integer number (27916082).

Almost surely, 283748243 is an apocalyptic number.

83748243 is a deficient number, since it is larger than the sum of its proper divisors (27916085).

83748243 is a wasteful number, since it uses less digits than its factorization.

83748243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27916084.

The product of its digits is 129024, while the sum is 39.

The square root of 83748243 is about 9151.4066131934. The cubic root of 83748243 is about 437.5139465486.

The spelling of 83748243 in words is "eighty-three million, seven hundred forty-eight thousand, two hundred forty-three".

Divisors: 1 3 27916081 83748243