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83673073 = 112977129
BaseRepresentation
bin1001111110010…
…11111111110001
312211110000212201
410333023333301
5132410014243
612145223201
72034131551
oct477137761
9184400781
1083673073
114325a900
1224031b01
13144481c3
14b181161
15752c04d
hex4fcbff1

83673073 has 12 divisors (see below), whose sum is σ = 92932420. Its totient is φ = 75271680.

The previous prime is 83673071. The next prime is 83673119. The reversal of 83673073 is 37037638.

It can be written as a sum of positive squares in 2 ways, for example, as 45319824 + 38353249 = 6732^2 + 6193^2 .

It is not a de Polignac number, because 83673073 - 21 = 83673071 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83673071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8173 + ... + 15301.

Almost surely, 283673073 is an apocalyptic number.

It is an amenable number.

83673073 is a deficient number, since it is larger than the sum of its proper divisors (9259347).

83673073 is a wasteful number, since it uses less digits than its factorization.

83673073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248 (or 7237 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 83673073 is about 9147.2986722857. The cubic root of 83673073 is about 437.3830074115.

The spelling of 83673073 in words is "eighty-three million, six hundred seventy-three thousand, seventy-three".

Divisors: 1 11 97 121 1067 7129 11737 78419 691513 862609 7606643 83673073