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83741990 = 258374199
BaseRepresentation
bin1001111110111…
…00110100100110
312211120112102012
410333130310212
5132414220430
612150514222
72034536513
oct477346446
9184515365
1083741990
11432a7662
1224065972
1314470697
14b19c30a
157542695
hex4fdcd26

83741990 has 8 divisors (see below), whose sum is σ = 150735600. Its totient is φ = 33496792.

The previous prime is 83741971. The next prime is 83741993. The reversal of 83741990 is 9914738.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83741993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4187090 + ... + 4187109.

It is an arithmetic number, because the mean of its divisors is an integer number (18841950).

Almost surely, 283741990 is an apocalyptic number.

83741990 is a deficient number, since it is larger than the sum of its proper divisors (66993610).

83741990 is a wasteful number, since it uses less digits than its factorization.

83741990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374206.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 83741990 is about 9151.0649653469. The cubic root of 83741990 is about 437.5030573936.

The spelling of 83741990 in words is "eighty-three million, seven hundred forty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 8374199 16748398 41870995 83741990