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83300387 = 149727769
BaseRepresentation
bin1001111011100…
…01000000100011
312210202002122112
410331301000203
5132311103022
612133225535
72031020162
oct475610043
9183662575
1083300387
11430258a5
1223a922ab
1314347691
14b0c53d9
1574a68e2
hex4f71023

83300387 has 8 divisors (see below), whose sum is σ = 84084000. Its totient is φ = 82520064.

The previous prime is 83300369. The next prime is 83300401. The reversal of 83300387 is 78300338.

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

It is a cyclic number.

It is not a de Polignac number, because 83300387 - 226 = 16191523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83300887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107939 + ... + 108707.

It is an arithmetic number, because the mean of its divisors is an integer number (10510500).

Almost surely, 283300387 is an apocalyptic number.

83300387 is a deficient number, since it is larger than the sum of its proper divisors (783613).

83300387 is a wasteful number, since it uses less digits than its factorization.

83300387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 83300387 is about 9126.9045683627. The cubic root of 83300387 is about 436.7326622342.

The spelling of 83300387 in words is "eighty-three million, three hundred thousand, three hundred eighty-seven".

Divisors: 1 149 727 769 108323 114581 559063 83300387