Search a number
-
+
385483423 = 133792221
BaseRepresentation
bin10110111110100…
…000001010011111
3222212100120211211
4112332200022133
51242140432143
6102130125251
712360361243
oct2676401237
9885316754
10385483423
11188660446
12a9120827
1361b2b000
14392a6423
1523c9749d
hex16fa029f

385483423 has 16 divisors (see below), whose sum is σ = 423068800. Its totient is φ = 351168480.

The previous prime is 385483421. The next prime is 385483447. The reversal of 385483423 is 324384583.

It is not a de Polignac number, because 385483423 - 21 = 385483421 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 (385483421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172453 + ... + 174673.

It is an arithmetic number, because the mean of its divisors is an integer number (26441800).

Almost surely, 2385483423 is an apocalyptic number.

385483423 is a deficient number, since it is larger than the sum of its proper divisors (37585377).

385483423 is an equidigital number, since it uses as much as digits as its factorization.

385483423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2313 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 385483423 is about 19633.7317644914. The cubic root of 385483423 is about 727.7829922919.

The spelling of 385483423 in words is "three hundred eighty-five million, four hundred eighty-three thousand, four hundred twenty-three".

Divisors: 1 13 79 169 1027 2197 2221 13351 28873 173563 175459 375349 2280967 4879537 29652571 385483423