Search a number
-
+
38980361 = 731179633
BaseRepresentation
bin1001010010110…
…0101100001001
32201100102000002
42110230230021
534434332421
63511252345
7652220240
oct224545411
981312002
1038980361
1120004582
121107a0b5
1380ca704
145269957
15364eb0b
hex252cb09

38980361 has 8 divisors (see below), whose sum is σ = 45986304. Its totient is φ = 32333760.

The previous prime is 38980327. The next prime is 38980391. The reversal of 38980361 is 16308983.

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

It is a cyclic number.

It is not a de Polignac number, because 38980361 - 210 = 38979337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38980301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89600 + ... + 90033.

It is an arithmetic number, because the mean of its divisors is an integer number (5748288).

Almost surely, 238980361 is an apocalyptic number.

38980361 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38980361 is a deficient number, since it is larger than the sum of its proper divisors (7005943).

38980361 is a wasteful number, since it uses less digits than its factorization.

38980361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179671.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 38980361 is about 6243.4254219939. The cubic root of 38980361 is about 339.0642116657.

The spelling of 38980361 in words is "thirty-eight million, nine hundred eighty thousand, three hundred sixty-one".

Divisors: 1 7 31 217 179633 1257431 5568623 38980361