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385074091 = 4130730593
BaseRepresentation
bin10110111100111…
…100001110101011
3222211120210100101
4112330330032223
51242034332331
6102113250231
712354034663
oct2674741653
9884523311
10385074091
11188400956
12a8b63977
1361a168bc
14391db1a3
1523c16061
hex16f3c3ab

385074091 has 8 divisors (see below), whose sum is σ = 395763984. Its totient is φ = 374446080.

The previous prime is 385074071. The next prime is 385074103. The reversal of 385074091 is 190470583.

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 385074091 - 211 = 385072043 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 385074091.

It is not an unprimeable number, because it can be changed into a prime (385074031) 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, 2710 + ... + 27883.

It is an arithmetic number, because the mean of its divisors is an integer number (49470498).

Almost surely, 2385074091 is an apocalyptic number.

385074091 is a deficient number, since it is larger than the sum of its proper divisors (10689893).

385074091 is a wasteful number, since it uses less digits than its factorization.

385074091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30941.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 385074091 is about 19623.3047930261. The cubic root of 385074091 is about 727.5252982232.

The spelling of 385074091 in words is "three hundred eighty-five million, seventy-four thousand, ninety-one".

Divisors: 1 41 307 12587 30593 1254313 9392051 385074091