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380995111 = 7531026941
BaseRepresentation
bin10110101101011…
…000011000100111
3222112220120001001
4112231120120213
51240013320421
6101450014131
712304255630
oct2655303047
9875816031
10380995111
111860752a2
12a7717347
1360c190c3
1438858887
15236ac691
hex16b58627

380995111 has 8 divisors (see below), whose sum is σ = 443638944. Its totient is φ = 320405280.

The previous prime is 380995091. The next prime is 380995123. The reversal of 380995111 is 111599083.

It is a happy number.

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 380995111 - 25 = 380995079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380995141) 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, 513100 + ... + 513841.

It is an arithmetic number, because the mean of its divisors is an integer number (55454868).

Almost surely, 2380995111 is an apocalyptic number.

380995111 is a deficient number, since it is larger than the sum of its proper divisors (62643833).

380995111 is a wasteful number, since it uses less digits than its factorization.

380995111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027001.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 380995111 is about 19519.0960600126. The cubic root of 380995111 is about 724.9473515474.

The spelling of 380995111 in words is "three hundred eighty million, nine hundred ninety-five thousand, one hundred eleven".

Divisors: 1 7 53 371 1026941 7188587 54427873 380995111