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83974374 = 23311141371
BaseRepresentation
bin1010000000101…
…01100011100110
312212000100012000
411000111203212
5132444134444
612155510130
72036525151
oct500254346
9185010160
1083974374
1143446210
1224158346
13145223a3
14b21cc98
15758b469
hex50158e6

83974374 has 32 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 25446600.

The previous prime is 83974361. The next prime is 83974391. The reversal of 83974374 is 47347938.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 70092 + ... + 71279.

It is an arithmetic number, because the mean of its divisors is an integer number (6361740).

Almost surely, 283974374 is an apocalyptic number.

83974374 is an abundant number, since it is smaller than the sum of its proper divisors (119601306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83974374 is a wasteful number, since it uses less digits than its factorization.

83974374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141393 (or 141387 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 83974374 is about 9163.7532703582. The cubic root of 83974374 is about 437.9073739205.

It can be divided in two parts, 83974 and 374, that added together give a palindrome (84348).

The spelling of 83974374 in words is "eighty-three million, nine hundred seventy-four thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 141371 282742 424113 848226 1272339 1555081 2544678 3110162 3817017 4665243 7634034 9330486 13995729 27991458 41987187 83974374