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380072759 = 11181119079
BaseRepresentation
bin10110101001110…
…111001100110111
3222111011200210212
4112221313030313
51234244312014
6101414140035
712263364563
oct2651671467
9874150725
10380072759
111855a5320
12a735161b
1360985331
14386986a3
152357923e
hex16a77337

380072759 has 8 divisors (see below), whose sum is σ = 414875520. Its totient is φ = 345311800.

The previous prime is 380072729. The next prime is 380072767. The reversal of 380072759 is 957270083.

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 380072759 - 228 = 111637303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380072729) 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, 10382 + ... + 29460.

It is an arithmetic number, because the mean of its divisors is an integer number (51859440).

Almost surely, 2380072759 is an apocalyptic number.

380072759 is a deficient number, since it is larger than the sum of its proper divisors (34802761).

380072759 is a wasteful number, since it uses less digits than its factorization.

380072759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20901.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 380072759 is about 19495.4548292673. The cubic root of 380072759 is about 724.3618698870.

The spelling of 380072759 in words is "three hundred eighty million, seventy-two thousand, seven hundred fifty-nine".

Divisors: 1 11 1811 19079 19921 209869 34552069 380072759