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10306489 = 471032129
BaseRepresentation
bin100111010100…
…001110111001
3201101121211211
4213110032321
510114301424
61004523121
7153414034
oct47241671
921347754
1010306489
1158aa466
1235504a1
13219b21b
14152401b
15d88b94
hex9d43b9

10306489 has 8 divisors (see below), whose sum is σ = 10632960. Its totient is φ = 9984576.

The previous prime is 10306487. The next prime is 10306511. The reversal of 10306489 is 98460301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10306489 - 21 = 10306487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10306489.

It is not an unprimeable number, because it can be changed into a prime (10306487) 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 7 ways as a sum of consecutive naturals, for example, 3777 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (1329120).

Almost surely, 210306489 is an apocalyptic number.

It is an amenable number.

10306489 is a deficient number, since it is larger than the sum of its proper divisors (326471).

10306489 is a wasteful number, since it uses less digits than its factorization.

10306489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10306489 is about 3210.3720968137. The cubic root of 10306489 is about 217.6223929093.

The spelling of 10306489 in words is "ten million, three hundred six thousand, four hundred eighty-nine".

Divisors: 1 47 103 2129 4841 100063 219287 10306489