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38440127 = 1121631949
BaseRepresentation
bin1001001010100…
…0110010111111
32200022221221102
42102220302333
534320041002
63451523315
7644510225
oct222506277
980287842
1038440127
111a775700
1210a5953b
137c6b84b
145168b15
153594a02
hex24a8cbf

38440127 has 12 divisors (see below), whose sum is σ = 42533400. Its totient is φ = 34713360.

The previous prime is 38440123. The next prime is 38440133. The reversal of 38440127 is 72104483.

It is not a de Polignac number, because 38440127 - 22 = 38440123 is a prime.

It is a super-2 number, since 2×384401272 = 2955286727552258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38440127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38440123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18749 + ... + 20697.

It is an arithmetic number, because the mean of its divisors is an integer number (3544450).

Almost surely, 238440127 is an apocalyptic number.

38440127 is a deficient number, since it is larger than the sum of its proper divisors (4093273).

38440127 is a wasteful number, since it uses less digits than its factorization.

38440127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 38440127 is about 6200.0102419270. The cubic root of 38440127 is about 337.4905405671.

The spelling of 38440127 in words is "thirty-eight million, four hundred forty thousand, one hundred twenty-seven".

Divisors: 1 11 121 163 1793 1949 19723 21439 235829 317687 3494557 38440127