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50610989 = 111317109191
BaseRepresentation
bin1100000100010…
…0001100101101
310112020022020002
43001010030231
5100424022424
65004434045
71153120622
oct301041455
9115208202
1050610989
1126628870
1214b48925
13a640540
146a16349
15469acae
hex304432d

50610989 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 39398400.

The previous prime is 50610953. The next prime is 50611009. The reversal of 50610989 is 98901605.

It is a cyclic number.

It is not a de Polignac number, because 50610989 - 28 = 50610733 is a prime.

It is a super-2 number, since 2×506109892 = 5122944415116242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50610949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264884 + ... + 265074.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 250610989 is an apocalyptic number.

It is an amenable number.

50610989 is a deficient number, since it is larger than the sum of its proper divisors (13255891).

50610989 is a wasteful number, since it uses less digits than its factorization.

50610989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 50610989 is about 7114.1400745276. The cubic root of 50610989 is about 369.8976804971.

The spelling of 50610989 in words is "fifty million, six hundred ten thousand, nine hundred eighty-nine".

Divisors: 1 11 13 17 109 143 187 191 221 1199 1417 1853 2101 2431 2483 3247 15587 20383 20819 24089 27313 35717 42211 229009 264979 270647 353923 464321 2977117 3893153 4600999 50610989