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83070075 = 35211175923
BaseRepresentation
bin1001111001110…
…00110001111011
312210022101201110
410330320301323
5132231220300
612124251403
72026040544
oct474706173
9183271643
1083070075
1142988860
12239a0b63
13142968ba
14b0654cb
15745d550
hex4f38c7b

83070075 has 48 divisors (see below), whose sum is σ = 158668416. Its totient is φ = 37900800.

The previous prime is 83070073. The next prime is 83070101. The reversal of 83070075 is 57007038.

It is not a de Polignac number, because 83070075 - 21 = 83070073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83070073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11064 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (3305592).

Almost surely, 283070075 is an apocalyptic number.

83070075 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83070075 is a deficient number, since it is larger than the sum of its proper divisors (75598341).

83070075 is a wasteful number, since it uses less digits than its factorization.

83070075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964 (or 5959 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 83070075 is about 9114.2786330022. The cubic root of 83070075 is about 436.3297924943.

The spelling of 83070075 in words is "eighty-three million, seventy thousand, seventy-five".

Divisors: 1 3 5 11 15 17 25 33 51 55 75 85 165 187 255 275 425 561 825 935 1275 2805 4675 5923 14025 17769 29615 65153 88845 100691 148075 195459 302073 325765 444225 503455 977295 1107601 1510365 1628825 2517275 3322803 4886475 5538005 7551825 16614015 27690025 83070075