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82004372 = 22107191599
BaseRepresentation
bin1001110001101…
…00100110010100
312201022020211222
410320310212110
5131443114442
612045345512
72014011542
oct470644624
9181266758
1082004372
114232010a
1223568298
1313cb27c8
14ac68d92
1572ec8d2
hex4e34994

82004372 has 12 divisors (see below), whose sum is σ = 144849600. Its totient is φ = 40618776.

The previous prime is 82004359. The next prime is 82004383. The reversal of 82004372 is 27340028.

It is a super-2 number, since 2×820043722 = 13449434054228768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95372 + ... + 96227.

It is an arithmetic number, because the mean of its divisors is an integer number (12070800).

Almost surely, 282004372 is an apocalyptic number.

It is an amenable number.

82004372 is a deficient number, since it is larger than the sum of its proper divisors (62845228).

82004372 is a wasteful number, since it uses less digits than its factorization.

82004372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191710 (or 191708 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 82004372 is about 9055.6265382358. The cubic root of 82004372 is about 434.4558696076.

The spelling of 82004372 in words is "eighty-two million, four thousand, three hundred seventy-two".

Divisors: 1 2 4 107 214 428 191599 383198 766396 20501093 41002186 82004372