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38970886 = 235954277
BaseRepresentation
bin1001010010101…
…0011000000110
32201022221000011
42110222120012
534434032021
63511140434
7652150513
oct224523006
981287004
1038970886
111aaa8449
121107471a
1380c62c6
14526630a
15364bde1
hex252a606

38970886 has 8 divisors (see below), whose sum is σ = 58620240. Its totient is φ = 19430808.

The previous prime is 38970871. The next prime is 38970917. The reversal of 38970886 is 68807983.

It is a happy number.

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

It is a super-3 number, since 3×389708863 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26421 + ... + 27856.

It is an arithmetic number, because the mean of its divisors is an integer number (7327530).

Almost surely, 238970886 is an apocalyptic number.

38970886 is a deficient number, since it is larger than the sum of its proper divisors (19649354).

38970886 is a wasteful number, since it uses less digits than its factorization.

38970886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54638.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 38970886 is about 6242.6665776734. Note that the first 3 decimals coincide. The cubic root of 38970886 is about 339.0367372003.

The spelling of 38970886 in words is "thirty-eight million, nine hundred seventy thousand, eight hundred eighty-six".

Divisors: 1 2 359 718 54277 108554 19485443 38970886