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10387663 = 1113174273
BaseRepresentation
bin100111101000…
…000011001111
3201112202012021
4213220003033
510124401123
61010351011
7154202506
oct47500317
921482167
1010387663
115955450
12358b467
1321c9160
14154583d
15da2c5d
hex9e80cf

10387663 has 16 divisors (see below), whose sum is σ = 12924576. Its totient is φ = 8202240.

The previous prime is 10387649. The next prime is 10387679. The reversal of 10387663 is 36678301.

10387663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10387663 - 29 = 10387151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (807786).

Almost surely, 210387663 is an apocalyptic number.

10387663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10387663 is a deficient number, since it is larger than the sum of its proper divisors (2536913).

10387663 is a wasteful number, since it uses less digits than its factorization.

10387663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 10387663 is about 3222.9897610759. The cubic root of 10387663 is about 218.1922314737.

The spelling of 10387663 in words is "ten million, three hundred eighty-seven thousand, six hundred sixty-three".

Divisors: 1 11 13 17 143 187 221 2431 4273 47003 55549 72641 611039 799051 944333 10387663