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83050400 = 2552103813
BaseRepresentation
bin1001111001100…
…11111110100000
312210021101201202
410330303332200
5132230103100
612124020332
72025626306
oct474637640
9183241652
1083050400
1142974aa4
12239916a8
131428a964
14b05c276
1574577d5
hex4f33fa0

83050400 has 36 divisors (see below), whose sum is σ = 202748742. Its totient is φ = 33219840.

The previous prime is 83050399. The next prime is 83050427. The reversal of 83050400 is 405038.

It can be written as a sum of positive squares in 3 ways, for example, as 41628304 + 41422096 = 6452^2 + 6436^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51107 + ... + 52706.

Almost surely, 283050400 is an apocalyptic number.

83050400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83050400 is an abundant number, since it is smaller than the sum of its proper divisors (119698342).

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

83050400 is a wasteful number, since it uses less digits than its factorization.

83050400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103833 (or 103820 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 83050400 is about 9113.1992187157. The cubic root of 83050400 is about 436.2953417950.

Adding to 83050400 its reverse (405038), we get a palindrome (83455438).

The spelling of 83050400 in words is "eighty-three million, fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 103813 207626 415252 519065 830504 1038130 1661008 2076260 2595325 3322016 4152520 5190650 8305040 10381300 16610080 20762600 41525200 83050400