Search a number
-
+
83941974 = 2333742013
BaseRepresentation
bin1010000000011…
…01101001010110
312211221200202000
411000031221112
5132442120344
612155100130
72036331534
oct500155126
9184850660
1083941974
1143423936
1224141646
131451070c
14b211154
157581a69
hex500da56

83941974 has 32 divisors (see below), whose sum is σ = 191583840. Its totient is φ = 27223776.

The previous prime is 83941969. The next prime is 83941997. The reversal of 83941974 is 47914938.

It is a Curzon 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, 19009 + ... + 23004.

It is an arithmetic number, because the mean of its divisors is an integer number (5986995).

Almost surely, 283941974 is an apocalyptic number.

83941974 is an abundant number, since it is smaller than the sum of its proper divisors (107641866).

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

83941974 is a wasteful number, since it uses less digits than its factorization.

83941974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42061 (or 42055 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 83941974 is about 9161.9852652141. The cubic root of 83941974 is about 437.8510471175.

The spelling of 83941974 in words is "eighty-three million, nine hundred forty-one thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 37 54 74 111 222 333 666 999 1998 42013 84026 126039 252078 378117 756234 1134351 1554481 2268702 3108962 4663443 9326886 13990329 27980658 41970987 83941974