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83938503 = 31117149623
BaseRepresentation
bin1010000000011…
…00110011000111
312211221111222110
411000030303013
5132442013003
612155032103
72036315445
oct500146307
9184844873
1083938503
1143421270
122413b633
131450bc6c
14b20db95
157580a03
hex500ccc7

83938503 has 16 divisors (see below), whose sum is σ = 129275136. Its totient is φ = 47879040.

The previous prime is 83938493. The next prime is 83938507. The reversal of 83938503 is 30583938.

It is not a de Polignac number, because 83938503 - 216 = 83872967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83938507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74251 + ... + 75372.

It is an arithmetic number, because the mean of its divisors is an integer number (8079696).

Almost surely, 283938503 is an apocalyptic number.

83938503 is a deficient number, since it is larger than the sum of its proper divisors (45336633).

83938503 is a wasteful number, since it uses less digits than its factorization.

83938503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149654.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 83938503 is about 9161.7958392446. The cubic root of 83938503 is about 437.8450119885.

The spelling of 83938503 in words is "eighty-three million, nine hundred thirty-eight thousand, five hundred three".

Divisors: 1 3 11 17 33 51 187 561 149623 448869 1645853 2543591 4937559 7630773 27979501 83938503