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83061530 = 258306153
BaseRepresentation
bin1001111001101…
…10101100011010
312210021221222222
410330312230122
5132230432110
612124144042
72026003616
oct474665432
9183257888
1083061530
11429823a2
1223998022
1314292a46
14b062346
15745ac55
hex4f36b1a

83061530 has 8 divisors (see below), whose sum is σ = 149510772. Its totient is φ = 33224608.

The previous prime is 83061529. The next prime is 83061571. The reversal of 83061530 is 3516038.

It can be written as a sum of positive squares in 2 ways, for example, as 76615009 + 6446521 = 8753^2 + 2539^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 83061530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4153067 + ... + 4153086.

Almost surely, 283061530 is an apocalyptic number.

83061530 is a deficient number, since it is larger than the sum of its proper divisors (66449242).

83061530 is a wasteful number, since it uses less digits than its factorization.

83061530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306160.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 83061530 is about 9113.8098509899. The cubic root of 83061530 is about 436.3148309657.

Adding to 83061530 its reverse (3516038), we get a palindrome (86577568).

The spelling of 83061530 in words is "eighty-three million, sixty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 8306153 16612306 41530765 83061530