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38118961 = 611036067
BaseRepresentation
bin1001000101101…
…0011000110001
32122201122101101
42101122120301
534224301321
63441004401
7642001666
oct221323061
978648341
1038118961
111a576381
1210923701
137b885ca
1450c3a6d
15352e791
hex245a631

38118961 has 8 divisors (see below), whose sum is σ = 39126464. Its totient is φ = 37123920.

The previous prime is 38118937. The next prime is 38118989. The reversal of 38118961 is 16981183.

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 38118961 - 25 = 38118929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38118961.

It is not an unprimeable number, because it can be changed into a prime (38118901) 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, 3250 + ... + 9316.

It is an arithmetic number, because the mean of its divisors is an integer number (4890808).

Almost surely, 238118961 is an apocalyptic number.

It is an amenable number.

38118961 is a deficient number, since it is larger than the sum of its proper divisors (1007503).

38118961 is a wasteful number, since it uses less digits than its factorization.

38118961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231.

The product of its digits is 10368, while the sum is 37.

The square root of 38118961 is about 6174.0554743216. The cubic root of 38118961 is about 336.5480032520.

The spelling of 38118961 in words is "thirty-eight million, one hundred eighteen thousand, nine hundred sixty-one".

Divisors: 1 61 103 6067 6283 370087 624901 38118961