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10489739 = 13806903
BaseRepresentation
bin101000000000…
…111110001011
3201201221012212
4220000332023
510141132424
61012455335
7155106221
oct50007613
921657185
1010489739
115a15107
12361a54b
132233760
141570b11
15dc310e
hexa00f8b

10489739 has 4 divisors (see below), whose sum is σ = 11296656. Its totient is φ = 9682824.

The previous prime is 10489733. The next prime is 10489741. The reversal of 10489739 is 93798401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93798401 = 175517553.

It is a cyclic number.

It is not a de Polignac number, because 10489739 - 24 = 10489723 is a prime.

It is a super-2 number, since 2×104897392 = 220069248576242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10489696 and 10489705.

It is not an unprimeable number, because it can be changed into a prime (10489733) 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, 403439 + ... + 403464.

It is an arithmetic number, because the mean of its divisors is an integer number (2824164).

Almost surely, 210489739 is an apocalyptic number.

10489739 is a deficient number, since it is larger than the sum of its proper divisors (806917).

10489739 is an equidigital number, since it uses as much as digits as its factorization.

10489739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806916.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 10489739 is about 3238.7866555239. The cubic root of 10489739 is about 218.9046031971.

The spelling of 10489739 in words is "ten million, four hundred eighty-nine thousand, seven hundred thirty-nine".

Divisors: 1 13 806903 10489739