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10221982 = 223317701
BaseRepresentation
bin100110111111…
…100110011110
3201020022220221
4212333212132
510104100412
61003031554
7152612461
oct46774636
921208827
1010221982
115851a21
12350b5ba
13216b914
1415012d8
15d6db07
hex9bf99e

10221982 has 16 divisors (see below), whose sum is σ = 16072992. Its totient is φ = 4866400.

The previous prime is 10221973. The next prime is 10222001. The reversal of 10221982 is 28912201.

It is a pancake number, because a pancake can be divided into 10221982 parts by 4521 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14232 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (1004562).

Almost surely, 210221982 is an apocalyptic number.

10221982 is a deficient number, since it is larger than the sum of its proper divisors (5851010).

10221982 is a wasteful number, since it uses less digits than its factorization.

10221982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10221982 is about 3197.1834479742. The cubic root of 10221982 is about 217.0259689875.

The spelling of 10221982 in words is "ten million, two hundred twenty-one thousand, nine hundred eighty-two".

Divisors: 1 2 23 46 317 634 701 1402 7291 14582 16123 32246 222217 444434 5110991 10221982