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20627876 = 225156969
BaseRepresentation
bin100111010110…
…0000110100100
31102211000010102
41032230012210
520240043001
62014043232
7340222403
oct116540644
942730112
1020627876
111070a035
126aa9518
134373159
142a4d63a
151c26e6b
hex13ac1a4

20627876 has 6 divisors (see below), whose sum is σ = 36098790. Its totient is φ = 10313936.

The previous prime is 20627869. The next prime is 20627891. The reversal of 20627876 is 67872602.

It can be written as a sum of positive squares in only one way, i.e., 19360000 + 1267876 = 4400^2 + 1126^2 .

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 as a sum of consecutive naturals, namely, 2578481 + ... + 2578488.

It is an arithmetic number, because the mean of its divisors is an integer number (6016465).

Almost surely, 220627876 is an apocalyptic number.

It is an amenable number.

20627876 is a deficient number, since it is larger than the sum of its proper divisors (15470914).

20627876 is a wasteful number, since it uses less digits than its factorization.

20627876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156973 (or 5156971 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 20627876 is about 4541.7921572877. The cubic root of 20627876 is about 274.2530739412.

It can be divided in two parts, 206 and 27876, that added together give a palindrome (28082).

The spelling of 20627876 in words is "twenty million, six hundred twenty-seven thousand, eight hundred seventy-six".

Divisors: 1 2 4 5156969 10313938 20627876