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83357090 = 258335709
BaseRepresentation
bin1001111011111…
…10110110100010
312210211222102122
410331332312202
5132314411330
612134344242
72031344405
oct475766642
9183758378
1083357090
1143064463
1223abb082
131436742b
14b0dbd3c
1574b85e5
hex4f7eda2

83357090 has 8 divisors (see below), whose sum is σ = 150042780. Its totient is φ = 33342832.

The previous prime is 83357089. The next prime is 83357101. The reversal of 83357090 is 9075338.

It can be written as a sum of positive squares in 2 ways, for example, as 67059721 + 16297369 = 8189^2 + 4037^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83357090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167845 + ... + 4167864.

Almost surely, 283357090 is an apocalyptic number.

83357090 is a deficient number, since it is larger than the sum of its proper divisors (66685690).

83357090 is a wasteful number, since it uses less digits than its factorization.

83357090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335716.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 83357090 is about 9130.0104052515. The cubic root of 83357090 is about 436.8317351443.

The spelling of 83357090 in words is "eighty-three million, three hundred fifty-seven thousand, ninety".

Divisors: 1 2 5 10 8335709 16671418 41678545 83357090