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8001982 = 211335407
BaseRepresentation
bin11110100001100110111110
3120001112122201
4132201212332
54022030412
6443302114
7125005252
oct36414676
916045581
108001982
11457600a
12281a93a
131872301
1410c4262
15a80e57
hex7a19be

8001982 has 8 divisors (see below), whose sum is σ = 12109536. Its totient is φ = 3965472.

The previous prime is 8001971. The next prime is 8001991. The reversal of 8001982 is 2891008.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8001982.

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, 17478 + ... + 17929.

It is an arithmetic number, because the mean of its divisors is an integer number (1513692).

Almost surely, 28001982 is an apocalyptic number.

8001982 is a deficient number, since it is larger than the sum of its proper divisors (4107554).

8001982 is a wasteful number, since it uses less digits than its factorization.

8001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35522.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 8001982 is about 2828.7774744578. Note that the first 3 decimals coincide. The cubic root of 8001982 is about 200.0165153029.

The spelling of 8001982 in words is "eight million, one thousand, nine hundred eighty-two".

Divisors: 1 2 113 226 35407 70814 4000991 8001982