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372385 = 51317337
BaseRepresentation
bin1011010111010100001
3200220211001
41122322201
543404020
611552001
73110446
oct1327241
9626731
10372385
11234862
1215b601
13100660
14999cd
157550a
hex5aea1

372385 has 16 divisors (see below), whose sum is σ = 511056. Its totient is φ = 258048.

The previous prime is 372377. The next prime is 372397. The reversal of 372385 is 583273.

372385 = 4312 + 4322.

It can be written as a sum of positive squares in 8 ways, for example, as 20736 + 351649 = 144^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 372385 - 23 = 372377 is a prime.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (31941).

2372385 is an apocalyptic number.

372385 is the 432-nd centered square number.

It is an amenable number.

372385 is a deficient number, since it is larger than the sum of its proper divisors (138671).

372385 is a wasteful number, since it uses less digits than its factorization.

372385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 5040, while the sum is 28.

The square root of 372385 is about 610.2335618433. The cubic root of 372385 is about 71.9444659221.

It can be divided in two parts, 372 and 385, that added together give a palindrome (757).

The spelling of 372385 in words is "three hundred seventy-two thousand, three hundred eighty-five".

Divisors: 1 5 13 17 65 85 221 337 1105 1685 4381 5729 21905 28645 74477 372385