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269940 = 223511409
BaseRepresentation
bin1000001111001110100
3111201021210
41001321310
532114230
65441420
72202666
oct1017164
9451253
10269940
111748a0
12110270
1395b38
1470536
1554eb0
hex41e74

269940 has 48 divisors (see below), whose sum is σ = 826560. Its totient is φ = 65280.

The previous prime is 269939. The next prime is 269947. The reversal of 269940 is 49962.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 2 + 65 + 9 + 9 + 49 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 269898 and 269907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456 + ... + 864.

It is an arithmetic number, because the mean of its divisors is an integer number (17220).

2269940 is an apocalyptic number.

269940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413280).

269940 is an abundant number, since it is smaller than the sum of its proper divisors (556620).

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

269940 is a wasteful number, since it uses less digits than its factorization.

269940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 269940 is about 519.5575040359. The cubic root of 269940 is about 64.6282527136.

269940 divided by its sum of digits (30) gives a palindrome (8998).

The spelling of 269940 in words is "two hundred sixty-nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 409 660 818 1227 1636 2045 2454 4090 4499 4908 6135 8180 8998 12270 13497 17996 22495 24540 26994 44990 53988 67485 89980 134970 269940