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20076982 = 210199391
BaseRepresentation
bin100110010010…
…1100110110110
31101210000102221
41030211212312
520114430412
61554152554
7332436322
oct114454666
941700387
1020076982
1110373152
12688275a
13420c493
142948982
151b68b07
hex13259b6

20076982 has 8 divisors (see below), whose sum is σ = 30413952. Its totient is φ = 9939000.

The previous prime is 20076967. The next prime is 20076989. The reversal of 20076982 is 28967002.

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 (20076989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49494 + ... + 49897.

It is an arithmetic number, because the mean of its divisors is an integer number (3801744).

Almost surely, 220076982 is an apocalyptic number.

20076982 is a deficient number, since it is larger than the sum of its proper divisors (10336970).

20076982 is a wasteful number, since it uses less digits than its factorization.

20076982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99494.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20076982 is about 4480.7345379971. The cubic root of 20076982 is about 271.7895846003.

The spelling of 20076982 in words is "twenty million, seventy-six thousand, nine hundred eighty-two".

Divisors: 1 2 101 202 99391 198782 10038491 20076982