Search a number
-
+
385591641 = 31279100493
BaseRepresentation
bin10110111110111…
…010100101011001
3222212120002021220
4112332322211121
51242202413031
6102132322253
712361321611
oct2676724531
9885502256
10385591641
11188724786
12a9173389
1361b68346
14392d3a41
1523cb9596
hex16fba959

385591641 has 8 divisors (see below), whose sum is σ = 514529280. Its totient is φ = 256857552.

The previous prime is 385591631. The next prime is 385591651. The reversal of 385591641 is 146195583.

It is an interprime number because it is at equal distance from previous prime (385591631) and next prime (385591651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385591641 - 211 = 385589593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385591593 and 385591602.

It is not an unprimeable number, because it can be changed into a prime (385591601) 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, 46410 + ... + 54083.

It is an arithmetic number, because the mean of its divisors is an integer number (64316160).

Almost surely, 2385591641 is an apocalyptic number.

It is an amenable number.

385591641 is a deficient number, since it is larger than the sum of its proper divisors (128937639).

385591641 is a wasteful number, since it uses less digits than its factorization.

385591641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101775.

The product of its digits is 129600, while the sum is 42.

The square root of 385591641 is about 19636.4874914023. The cubic root of 385591641 is about 727.8510902059.

The spelling of 385591641 in words is "three hundred eighty-five million, five hundred ninety-one thousand, six hundred forty-one".

Divisors: 1 3 1279 3837 100493 301479 128530547 385591641