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82533830 = 258253383
BaseRepresentation
bin1001110101101…
…01110111000110
312202022011010112
410322311313012
5132112040310
612104553022
72021345261
oct472656706
9182264115
1082533830
1142651985
1223782772
13141397b2
14ad65cd8
1573a4705
hex4eb5dc6

82533830 has 8 divisors (see below), whose sum is σ = 148560912. Its totient is φ = 33013528.

The previous prime is 82533823. The next prime is 82533839. The reversal of 82533830 is 3833528.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82533839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126682 + ... + 4126701.

It is an arithmetic number, because the mean of its divisors is an integer number (18570114).

Almost surely, 282533830 is an apocalyptic number.

82533830 is a deficient number, since it is larger than the sum of its proper divisors (66027082).

82533830 is a wasteful number, since it uses less digits than its factorization.

82533830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253390.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 82533830 is about 9084.8131516284. The cubic root of 82533830 is about 435.3888802376.

The spelling of 82533830 in words is "eighty-two million, five hundred thirty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 8253383 16506766 41266915 82533830