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10489747 = 11179391
BaseRepresentation
bin101000000000…
…111110010011
3201201221020011
4220000332103
510141132442
61012455351
7155106232
oct50007623
921657204
1010489747
115a15114
12361a557
132233768
141570b19
15dc3117
hexa00f93

10489747 has 4 divisors (see below), whose sum is σ = 10500256. Its totient is φ = 10479240.

The previous prime is 10489741. The next prime is 10489751. The reversal of 10489747 is 74798401.

10489747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74798401 = 307243643.

It is a cyclic number.

It is not a de Polignac number, because 10489747 - 211 = 10487699 is a prime.

It is a super-2 number, since 2×104897472 = 220069584248018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10489741) 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, 3579 + ... + 5812.

It is an arithmetic number, because the mean of its divisors is an integer number (2625064).

Almost surely, 210489747 is an apocalyptic number.

10489747 is a deficient number, since it is larger than the sum of its proper divisors (10509).

10489747 is an equidigital number, since it uses as much as digits as its factorization.

10489747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10508.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 10489747 is about 3238.7878905541. The cubic root of 10489747 is about 218.9046588463.

It can be divided in two parts, 10489 and 747, that added together give a square (11236 = 1062).

The spelling of 10489747 in words is "ten million, four hundred eighty-nine thousand, seven hundred forty-seven".

Divisors: 1 1117 9391 10489747