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269430128 = 24111530853
BaseRepresentation
bin10000000011110…
…010110101110000
3200202222110122122
4100003302311300
51022433231003
642422453412
76451055402
oct2003626560
9622873578
10269430128
111290a4930
1276294268
1343a86616
1427ad6b72
15189c1238
hex100f2d70

269430128 has 20 divisors (see below), whose sum is σ = 569477688. Its totient is φ = 122468160.

The previous prime is 269430121. The next prime is 269430137. The reversal of 269430128 is 821034962.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269430121) 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, 765251 + ... + 765602.

Almost surely, 2269430128 is an apocalyptic number.

It is an amenable number.

269430128 is an abundant number, since it is smaller than the sum of its proper divisors (300047560).

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

269430128 is a wasteful number, since it uses less digits than its factorization.

269430128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530872 (or 1530866 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 269430128 is about 16414.3269127918. The cubic root of 269430128 is about 645.8753637505.

The spelling of 269430128 in words is "two hundred sixty-nine million, four hundred thirty thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 1530853 3061706 6123412 12246824 16839383 24493648 33678766 67357532 134715064 269430128