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269388 = 223271069
BaseRepresentation
bin1000001110001001100
3111200112100
41001301030
532110023
65435100
72201250
oct1016114
9450470
10269388
11174439
1210ba90
1395802
1470260
1554c43
hex41c4c

269388 has 36 divisors (see below), whose sum is σ = 778960. Its totient is φ = 76896.

The previous prime is 269387. The next prime is 269389. The reversal of 269388 is 883962.

It is an interprime number because it is at equal distance from previous prime (269387) and next prime (269389).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 24 + 63 + 37 + 93 + 84 + 86 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 269388.

It is not an unprimeable number, because it can be changed into a prime (269383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283 + ... + 786.

2269388 is an apocalyptic number.

269388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

269388 is an abundant number, since it is smaller than the sum of its proper divisors (509572).

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

269388 is a wasteful number, since it uses less digits than its factorization.

269388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1081 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 269388 is about 519.0260109089. The cubic root of 269388 is about 64.5841699048.

The spelling of 269388 in words is "two hundred sixty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1069 2138 3207 4276 6414 7483 9621 12828 14966 19242 22449 29932 38484 44898 67347 89796 134694 269388