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83145304 = 2311944833
BaseRepresentation
bin1001111010010…
…11001001011000
312210110012220201
410331023021120
5132241122204
612130031544
72026503064
oct475131130
9183405821
1083145304
1142a2a330
1223a185b4
13142c1c08
14b084aa4
1574759a4
hex4f4b258

83145304 has 16 divisors (see below), whose sum is σ = 170070120. Its totient is φ = 37793280.

The previous prime is 83145289. The next prime is 83145319. The reversal of 83145304 is 40354138.

It is an interprime number because it is at equal distance from previous prime (83145289) and next prime (83145319).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472329 + ... + 472504.

Almost surely, 283145304 is an apocalyptic number.

It is an amenable number.

83145304 is an abundant number, since it is smaller than the sum of its proper divisors (86924816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83145304 is a wasteful number, since it uses less digits than its factorization.

83145304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944850 (or 944846 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 83145304 is about 9118.4046850313. The cubic root of 83145304 is about 436.4614674695.

The spelling of 83145304 in words is "eighty-three million, one hundred forty-five thousand, three hundred four".

Divisors: 1 2 4 8 11 22 44 88 944833 1889666 3779332 7558664 10393163 20786326 41572652 83145304