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10602989 = 14971161
BaseRepresentation
bin101000011100…
…100111101101
3201221200120022
4220130213231
510203243424
61015131525
7156060335
oct50344755
921850508
1010602989
115a92201
123673ba5
132273177
1415a00c5
15de695e
hexa1c9ed

10602989 has 4 divisors (see below), whose sum is σ = 10674300. Its totient is φ = 10531680.

The previous prime is 10602971. The next prime is 10603003. The reversal of 10602989 is 98920601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4141225 + 6461764 = 2035^2 + 2542^2 .

It is a cyclic number.

It is not a de Polignac number, because 10602989 - 28 = 10602733 is a prime.

It is a super-2 number, since 2×106029892 = 224846751468242, 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 (10602689) 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, 35432 + ... + 35729.

It is an arithmetic number, because the mean of its divisors is an integer number (2668575).

Almost surely, 210602989 is an apocalyptic number.

It is an amenable number.

10602989 is a deficient number, since it is larger than the sum of its proper divisors (71311).

10602989 is an equidigital number, since it uses as much as digits as its factorization.

10602989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71310.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10602989 is about 3256.2231188910. The cubic root of 10602989 is about 219.6895690596.

The spelling of 10602989 in words is "ten million, six hundred two thousand, nine hundred eighty-nine".

Divisors: 1 149 71161 10602989