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385271095 = 51136719087
BaseRepresentation
bin10110111101101…
…100010100110111
3222211221210120211
4112331230110313
51242112133340
6102121410251
712355515226
oct2675542467
9884853524
10385271095
11188525970
12a9039987
1361a85481
143924ccbd
1523c545ea
hex16f6c537

385271095 has 16 divisors (see below), whose sum is σ = 505755648. Its totient is φ = 279419040.

The previous prime is 385271093. The next prime is 385271123. The reversal of 385271095 is 590172583.

It is not a de Polignac number, because 385271095 - 21 = 385271093 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 (385271093) 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, 10642 + ... + 29728.

It is an arithmetic number, because the mean of its divisors is an integer number (31609728).

Almost surely, 2385271095 is an apocalyptic number.

385271095 is a deficient number, since it is larger than the sum of its proper divisors (120484553).

385271095 is a wasteful number, since it uses less digits than its factorization.

385271095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19470.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 385271095 is about 19628.3237949653. The cubic root of 385271095 is about 727.6493444456.

It can be divided in two parts, 3852 and 71095, that added together give a palindrome (74947).

The spelling of 385271095 in words is "three hundred eighty-five million, two hundred seventy-one thousand, ninety-five".

Divisors: 1 5 11 55 367 1835 4037 19087 20185 95435 209957 1049785 7004929 35024645 77054219 385271095