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83300420 = 2257595003
BaseRepresentation
bin1001111011100…
…01000001000100
312210202002200202
410331301001010
5132311103140
612133230032
72031020240
oct475610104
9183662622
1083300420
1143025925
1223a92318
13143476b8
14b0c5420
1574a6915
hex4f71044

83300420 has 24 divisors (see below), whose sum is σ = 199921344. Its totient is φ = 28560096.

The previous prime is 83300419. The next prime is 83300447. The reversal of 83300420 is 2400338.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 83300392 and 83300401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297362 + ... + 297641.

It is an arithmetic number, because the mean of its divisors is an integer number (8330056).

Almost surely, 283300420 is an apocalyptic number.

It is an amenable number.

83300420 is an abundant number, since it is smaller than the sum of its proper divisors (116620924).

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

83300420 is a wasteful number, since it uses less digits than its factorization.

83300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595019 (or 595017 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 83300420 is about 9126.9063762044. The cubic root of 83300420 is about 436.7327199057.

Adding to 83300420 its reverse (2400338), we get a palindrome (85700758).

The spelling of 83300420 in words is "eighty-three million, three hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 595003 1190006 2380012 2975015 4165021 5950030 8330042 11900060 16660084 20825105 41650210 83300420