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83255250 = 2353138539
BaseRepresentation
bin1001111011001…
…01111111010010
312210122210201210
410331211333102
5132303132000
612132240550
72030441451
oct475457722
9183583653
1083255250
1142aa49a1
1223a70156
131432cc80
14b0b2b98
157498350
hex4f65fd2

83255250 has 64 divisors (see below), whose sum is σ = 223816320. Its totient is φ = 20491200.

The previous prime is 83255233. The next prime is 83255257. The reversal of 83255250 is 5255238.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83255257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5481 + ... + 14019.

It is an arithmetic number, because the mean of its divisors is an integer number (3497130).

Almost surely, 283255250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83255250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111908160).

83255250 is an abundant number, since it is smaller than the sum of its proper divisors (140561070).

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

83255250 is a wasteful number, since it uses less digits than its factorization.

83255250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572 (or 8562 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 83255250 is about 9124.4314891395. The cubic root of 83255250 is about 436.6537655869.

The spelling of 83255250 in words is "eighty-three million, two hundred fifty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 125 130 150 195 250 325 375 390 650 750 975 1625 1950 3250 4875 8539 9750 17078 25617 42695 51234 85390 111007 128085 213475 222014 256170 333021 426950 555035 640425 666042 1067375 1110070 1280850 1665105 2134750 2775175 3202125 3330210 5550350 6404250 8325525 13875875 16651050 27751750 41627625 83255250