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38105061 = 371178897
BaseRepresentation
bin1001000101011…
…0111111100101
32122200221022120
42101112333211
534223330221
63440420153
7641613321
oct221267745
978627276
1038105061
111a566995
1210917659
137b82197
1450bc981
15352a5c6
hex2456fe5

38105061 has 8 divisors (see below), whose sum is σ = 51522624. Its totient is φ = 25045440.

The previous prime is 38105033. The next prime is 38105071. The reversal of 38105061 is 16050183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38105061 - 213 = 38096869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38105071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89236 + ... + 89661.

It is an arithmetic number, because the mean of its divisors is an integer number (6440328).

Almost surely, 238105061 is an apocalyptic number.

It is an amenable number.

38105061 is a deficient number, since it is larger than the sum of its proper divisors (13417563).

38105061 is a wasteful number, since it uses less digits than its factorization.

38105061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178971.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 38105061 is about 6172.9296934276. The cubic root of 38105061 is about 336.5070911018.

The spelling of 38105061 in words is "thirty-eight million, one hundred five thousand, sixty-one".

Divisors: 1 3 71 213 178897 536691 12701687 38105061