Search a number
-
+
385285537 = 7134233907
BaseRepresentation
bin10110111101101…
…111110110100001
3222211222112101201
4112331233312201
51242113114122
6102122001201
712355605310
oct2675576641
9884875351
10385285537
111885357aa
12a9046201
1361a8bc10
1439254277
1523c58a27
hex16f6fda1

385285537 has 8 divisors (see below), whose sum is σ = 474197696. Its totient is φ = 304841232.

The previous prime is 385285529. The next prime is 385285583. The reversal of 385285537 is 735582583.

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 385285537 - 23 = 385285529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385285337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116863 + ... + 2117044.

It is an arithmetic number, because the mean of its divisors is an integer number (59274712).

Almost surely, 2385285537 is an apocalyptic number.

It is an amenable number.

385285537 is a deficient number, since it is larger than the sum of its proper divisors (88912159).

385285537 is a wasteful number, since it uses less digits than its factorization.

385285537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233927.

The product of its digits is 1008000, while the sum is 46.

The square root of 385285537 is about 19628.6916782551. The cubic root of 385285537 is about 727.6584363817.

The spelling of 385285537 in words is "three hundred eighty-five million, two hundred eighty-five thousand, five hundred thirty-seven".

Divisors: 1 7 13 91 4233907 29637349 55040791 385285537