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269380 = 22513469
BaseRepresentation
bin1000001110001000100
3111200112001
41001301010
532110010
65435044
72201236
oct1016104
9450461
10269380
11174431
1210ba84
13957c7
1470256
1554c3a
hex41c44

269380 has 12 divisors (see below), whose sum is σ = 565740. Its totient is φ = 107744.

The previous prime is 269377. The next prime is 269383. The reversal of 269380 is 83962.

269380 = T365 + T366 + ... + T368.

It is an interprime number because it is at equal distance from previous prime (269377) and next prime (269383).

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 135424 = 366^2 + 368^2 .

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (47145).

2269380 is an apocalyptic number.

269380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269380 is an abundant number, since it is smaller than the sum of its proper divisors (296360).

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

269380 is a wasteful number, since it uses less digits than its factorization.

269380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478 (or 13476 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 269380 is about 519.0183041088. The cubic root of 269380 is about 64.5835305810.

The spelling of 269380 in words is "two hundred sixty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 13469 26938 53876 67345 134690 269380