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10682989 = 23834483
BaseRepresentation
bin101000110000…
…001001101101
3202002202022021
4220300021231
510213323424
61020550141
7156542512
oct50601155
922082267
1010682989
116037319
1236b2351
1322a06c5
1415c1309
15e104e4
hexa3026d

10682989 has 4 divisors (see below), whose sum is σ = 10689856. Its totient is φ = 10676124.

The previous prime is 10682983. The next prime is 10682993. The reversal of 10682989 is 98928601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98928601 = 307322243.

It is a cyclic number.

It is not a de Polignac number, because 10682989 - 25 = 10682957 is a prime.

It is a super-2 number, since 2×106829892 = 228252507948242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10682983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (2672464).

Almost surely, 210682989 is an apocalyptic number.

It is an amenable number.

10682989 is a deficient number, since it is larger than the sum of its proper divisors (6867).

10682989 is an equidigital number, since it uses as much as digits as its factorization.

10682989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 10682989 is about 3268.4842052548. The cubic root of 10682989 is about 220.2407076140.

The spelling of 10682989 in words is "ten million, six hundred eighty-two thousand, nine hundred eighty-nine".

Divisors: 1 2383 4483 10682989