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269004428 = 227111575563
BaseRepresentation
bin10000000010001…
…010111010001100
3200202011211200222
4100002022322030
51022331120203
642405410512
76444333320
oct2002127214
9622154628
10269004428
11128934010
1276109a38
1343967924
1427a25980
151893a038
hex1008ae8c

269004428 has 48 divisors (see below), whose sum is σ = 590763264. Its totient is φ = 104120640.

The previous prime is 269004427. The next prime is 269004433. The reversal of 269004428 is 824400962.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (269004427) 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, 45575 + ... + 51137.

It is an arithmetic number, because the mean of its divisors is an integer number (12307568).

Almost surely, 2269004428 is an apocalyptic number.

269004428 is a gapful number since it is divisible by the number (28) 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 269004428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295381632).

269004428 is an abundant number, since it is smaller than the sum of its proper divisors (321758836).

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

269004428 is a wasteful number, since it uses less digits than its factorization.

269004428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742 (or 5740 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 269004428 is about 16401.3544562637. The cubic root of 269004428 is about 645.5350230985.

The spelling of 269004428 in words is "two hundred sixty-nine million, four thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 157 308 314 628 1099 1727 2198 3454 4396 5563 6908 11126 12089 22252 24178 38941 48356 61193 77882 122386 155764 244772 428351 856702 873391 1713404 1746782 3493564 6113737 9607301 12227474 19214602 24454948 38429204 67251107 134502214 269004428