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18982796 = 227296851
BaseRepresentation
bin100100001101…
…0011110001100
31022201102111112
41020122132030
514324422141
61514511152
7320231300
oct110323614
938642445
1018982796
11a796068
1264354b8
133c18431
142741d00
1519ee7eb
hex121a78c

18982796 has 18 divisors (see below), whose sum is σ = 38643948. Its totient is φ = 8135400.

The previous prime is 18982787. The next prime is 18982801. The reversal of 18982796 is 69728981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48230 + ... + 48621.

It is an arithmetic number, because the mean of its divisors is an integer number (2146886).

Almost surely, 218982796 is an apocalyptic number.

It is an amenable number.

18982796 is an abundant number, since it is smaller than the sum of its proper divisors (19661152).

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

18982796 is a wasteful number, since it uses less digits than its factorization.

18982796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96869 (or 96860 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 18982796 is about 4356.9250624724. The cubic root of 18982796 is about 266.7596016356.

The spelling of 18982796 in words is "eighteen million, nine hundred eighty-two thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 14 28 49 98 196 96851 193702 387404 677957 1355914 2711828 4745699 9491398 18982796