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38986775 = 5213711383
BaseRepresentation
bin1001010010111…
…0010000010111
32201100201210122
42110232100113
534440034100
63511342155
7652245032
oct224562027
981321718
1038986775
1120009383
121108195b
1381005c9
14526c019
153651985
hex252e417

38986775 has 12 divisors (see below), whose sum is σ = 48700752. Its totient is φ = 30959040.

The previous prime is 38986769. The next prime is 38986799. The reversal of 38986775 is 57768983.

It is not a de Polignac number, because 38986775 - 212 = 38982679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2267 + ... + 9116.

It is an arithmetic number, because the mean of its divisors is an integer number (4058396).

Almost surely, 238986775 is an apocalyptic number.

38986775 is a deficient number, since it is larger than the sum of its proper divisors (9713977).

38986775 is a wasteful number, since it uses less digits than its factorization.

38986775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530 (or 11525 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 38986775 is about 6243.9390612017. The cubic root of 38986775 is about 339.0828076846.

The spelling of 38986775 in words is "thirty-eight million, nine hundred eighty-six thousand, seven hundred seventy-five".

Divisors: 1 5 25 137 685 3425 11383 56915 284575 1559471 7797355 38986775