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38827393 = 1119375021
BaseRepresentation
bin1001010000011…
…1010110000001
32201001122011121
42110013112001
534414434033
63504112241
7651012253
oct224072601
981048147
1038827393
111aa0a660
1211005681
138075bb7
145229cd3
15361e62d
hex2507581

38827393 has 16 divisors (see below), whose sum is σ = 45800640. Its totient is φ = 32529600.

The previous prime is 38827387. The next prime is 38827423. The reversal of 38827393 is 39372883.

It is a cyclic number.

It is not a de Polignac number, because 38827393 - 25 = 38827361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38827343) 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, 5223 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (2862540).

Almost surely, 238827393 is an apocalyptic number.

It is an amenable number.

38827393 is a deficient number, since it is larger than the sum of its proper divisors (6973247).

38827393 is a wasteful number, since it uses less digits than its factorization.

38827393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088.

The product of its digits is 217728, while the sum is 43.

The square root of 38827393 is about 6231.1630535559. The cubic root of 38827393 is about 338.6201079683.

Subtracting 38827393 from its reverse (39372883), we obtain a triangular number (545490 = T1044).

The spelling of 38827393 in words is "thirty-eight million, eight hundred twenty-seven thousand, three hundred ninety-three".

Divisors: 1 11 19 37 209 407 703 5021 7733 55231 95399 185777 1049389 2043547 3529763 38827393