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10340865 = 3652837
BaseRepresentation
bin100111011100…
…101000000001
3201110101000000
4213130220001
510121401430
61005350213
7153616203
oct47345001
921411000
1010340865
115923277
123568369
1321b0a72
141532773
15d93e60
hex9dca01

10340865 has 28 divisors (see below), whose sum is σ = 18611604. Its totient is φ = 5513184.

The previous prime is 10340861. The next prime is 10340867. The reversal of 10340865 is 56804301.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 8661249 = 1296^2 + 2943^2 .

It is not a de Polignac number, because 10340865 - 22 = 10340861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10340861) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2227 + ... + 5063.

Almost surely, 210340865 is an apocalyptic number.

10340865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10340865 is a deficient number, since it is larger than the sum of its proper divisors (8270739).

10340865 is an frugal number, since it uses more digits than its factorization.

10340865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2845 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 10340865 is about 3215.7215364518. The cubic root of 10340865 is about 217.8640751304.

The spelling of 10340865 in words is "ten million, three hundred forty thousand, eight hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 2837 3645 8511 14185 25533 42555 76599 127665 229797 382995 689391 1148985 2068173 3446955 10340865