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83070850 = 2521987443
BaseRepresentation
bin1001111001110…
…00111110000010
312210022102210011
410330320332002
5132231231400
612124255134
72026043032
oct474707602
9183272704
1083070850
11429893a5
12239a14aa
1314297065
14b0658c2
15745d8ba
hex4f38f82

83070850 has 24 divisors (see below), whose sum is σ = 162645840. Its totient is φ = 31479120.

The previous prime is 83070833. The next prime is 83070851. The reversal of 83070850 is 5807038.

It is a super-2 number, since 2×830708502 = 13801532239445000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83070851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42772 + ... + 44671.

It is an arithmetic number, because the mean of its divisors is an integer number (6776910).

Almost surely, 283070850 is an apocalyptic number.

83070850 is a deficient number, since it is larger than the sum of its proper divisors (79574990).

83070850 is a wasteful number, since it uses less digits than its factorization.

83070850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87474 (or 87469 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 83070850 is about 9114.3211486100. The cubic root of 83070850 is about 436.3311493991.

Adding to 83070850 its reverse (5807038), we get a palindrome (88877888).

The spelling of 83070850 in words is "eighty-three million, seventy thousand, eight hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 87443 174886 437215 874430 1661417 2186075 3322834 4372150 8307085 16614170 41535425 83070850