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83938744 = 2310492343
BaseRepresentation
bin1010000000011…
…00110110111000
312211221112022101
411000030312320
5132442014434
612155033144
72036316241
oct500146670
9184845271
1083938744
114342146a
122413b7b4
131450c0c6
14b20dcc8
157580b14
hex500cdb8

83938744 has 8 divisors (see below), whose sum is σ = 157385160. Its totient is φ = 41969368.

The previous prime is 83938733. The next prime is 83938759. The reversal of 83938744 is 44783938.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 83938694 and 83938703.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5246164 + ... + 5246179.

It is an arithmetic number, because the mean of its divisors is an integer number (19673145).

Almost surely, 283938744 is an apocalyptic number.

It is an amenable number.

83938744 is a deficient number, since it is larger than the sum of its proper divisors (73446416).

83938744 is a wasteful number, since it uses less digits than its factorization.

83938744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10492349 (or 10492345 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 83938744 is about 9161.8089916784. The cubic root of 83938744 is about 437.8454310276.

The spelling of 83938744 in words is "eighty-three million, nine hundred thirty-eight thousand, seven hundred forty-four".

Divisors: 1 2 4 8 10492343 20984686 41969372 83938744