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269209093 = 1715835829
BaseRepresentation
bin10000000010111…
…100111000000101
3200202120020110011
4100002330320011
51022404142333
642414030221
76446145106
oct2002747005
9622506404
10269209093
11128a6385a
12761a8371
1343a09b2a
1427a7a3ad
151897a9cd
hex100bce05

269209093 has 4 divisors (see below), whose sum is σ = 285044940. Its totient is φ = 253373248.

The previous prime is 269209079. The next prime is 269209099. The reversal of 269209093 is 390902962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390902962 = 2195451481.

It can be written as a sum of positive squares in 2 ways, for example, as 196925089 + 72284004 = 14033^2 + 8502^2 .

It is a cyclic number.

It is not a de Polignac number, because 269209093 - 217 = 269078021 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 (269209099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7917898 + ... + 7917931.

It is an arithmetic number, because the mean of its divisors is an integer number (71261235).

Almost surely, 2269209093 is an apocalyptic number.

It is an amenable number.

269209093 is a deficient number, since it is larger than the sum of its proper divisors (15835847).

269209093 is a wasteful number, since it uses less digits than its factorization.

269209093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835846.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 269209093 is about 16407.5925412597. The cubic root of 269209093 is about 645.6986944234.

The spelling of 269209093 in words is "two hundred sixty-nine million, two hundred nine thousand, ninety-three".

Divisors: 1 17 15835829 269209093