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38885077 = 7211193797
BaseRepresentation
bin1001010001010…
…1011011010101
32201011120022001
42110111123111
534423310302
63505235301
7651342400
oct224253325
981146261
1038885077
111aa49a30
1211032b31
13809622a
145242d37
153631787
hex25156d5

38885077 has 24 divisors (see below), whose sum is σ = 51956640. Its totient is φ = 28697760.

The previous prime is 38885059. The next prime is 38885083. The reversal of 38885077 is 77058883.

38885077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38885077 - 27 = 38884949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38885047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8343 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (2164860).

Almost surely, 238885077 is an apocalyptic number.

It is an amenable number.

38885077 is a deficient number, since it is larger than the sum of its proper divisors (13071563).

38885077 is a wasteful number, since it uses less digits than its factorization.

38885077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 38885077 is about 6235.7900060858. The cubic root of 38885077 is about 338.7877155576.

It can be divided in two parts, 38 and 885077, that added together give a triangular number (885115 = T1330).

The spelling of 38885077 in words is "thirty-eight million, eight hundred eighty-five thousand, seventy-seven".

Divisors: 1 7 11 19 49 77 133 209 539 931 1463 3797 10241 26579 41767 72143 186053 292369 505001 793573 2046583 3535007 5555011 38885077