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10387269 = 323731193
BaseRepresentation
bin100111100111…
…111101000101
3201112201122200
4213213331011
510124343034
61010345113
7154201404
oct47477505
921481580
1010387269
115955122
12358b199
1321c8c19
14154563b
15da2a99
hex9e7f45

10387269 has 12 divisors (see below), whose sum is σ = 15409836. Its totient is φ = 6737472.

The previous prime is 10387261. The next prime is 10387291. The reversal of 10387269 is 96278301.

10387269 is a `hidden beast` number, since 10 + 387 + 269 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7452900 + 2934369 = 2730^2 + 1713^2 .

It is not a de Polignac number, because 10387269 - 23 = 10387261 is a prime.

It is a super-2 number, since 2×103872692 = 215790714556722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15264 + ... + 15929.

It is an arithmetic number, because the mean of its divisors is an integer number (1284153).

Almost surely, 210387269 is an apocalyptic number.

It is an amenable number.

10387269 is a deficient number, since it is larger than the sum of its proper divisors (5022567).

10387269 is a wasteful number, since it uses less digits than its factorization.

10387269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31236 (or 31233 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 10387269 is about 3222.9286371249. The cubic root of 10387269 is about 218.1894727902.

The spelling of 10387269 in words is "ten million, three hundred eighty-seven thousand, two hundred sixty-nine".

Divisors: 1 3 9 37 111 333 31193 93579 280737 1154141 3462423 10387269