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269317842 = 23172640371
BaseRepresentation
bin10000000011010…
…111011011010010
3200202202202121220
4100003113123102
51022421132332
642420225510
76450110133
oct2003273322
9622682556
10269317842
11129028532
127623b296
1343a47491
1427aa7c8a
151899cd2c
hex100d76d2

269317842 has 16 divisors (see below), whose sum is σ = 570320352. Its totient is φ = 84491840.

The previous prime is 269317817. The next prime is 269317847. The reversal of 269317842 is 248713962.

It is a junction number, because it is equal to n+sod(n) for n = 269317794 and 269317803.

It is not an unprimeable number, because it can be changed into a prime (269317847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320084 + ... + 1320287.

It is an arithmetic number, because the mean of its divisors is an integer number (35645022).

Almost surely, 2269317842 is an apocalyptic number.

269317842 is an abundant number, since it is smaller than the sum of its proper divisors (301002510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

269317842 is a wasteful number, since it uses less digits than its factorization.

269317842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640393.

The product of its digits is 145152, while the sum is 42.

The square root of 269317842 is about 16410.9061907014. The cubic root of 269317842 is about 645.7856276363.

The spelling of 269317842 in words is "two hundred sixty-nine million, three hundred seventeen thousand, eight hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 2640371 5280742 7921113 15842226 44886307 89772614 134658921 269317842