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82399398 = 2313733233
BaseRepresentation
bin1001110100101…
…01000010100110
312202001022201120
410322111002212
5132043240043
612102034410
72020245324
oct472250246
9182038646
1082399398
114256a984
1223718a06
13140c0553
14ad2cd14
157379983
hex4e950a6

82399398 has 8 divisors (see below), whose sum is σ = 164798808. Its totient is φ = 27466464.

The previous prime is 82399379. The next prime is 82399399. The reversal of 82399398 is 89399328.

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

82399398 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 82399398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82399399) 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, 6866611 + ... + 6866622.

It is an arithmetic number, because the mean of its divisors is an integer number (20599851).

Almost surely, 282399398 is an apocalyptic number.

82399398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82399398 is a wasteful number, since it uses less digits than its factorization.

82399398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733238.

The product of its digits is 839808, while the sum is 51.

The square root of 82399398 is about 9077.4114151558. The cubic root of 82399398 is about 435.1523630626.

The spelling of 82399398 in words is "eighty-two million, three hundred ninety-nine thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 13733233 27466466 41199699 82399398