Search a number
-
+
375381 = 3313903
BaseRepresentation
bin1011011101001010101
3201001221000
41123221111
544003011
612013513
73122256
oct1335125
9631830
10375381
11237036
12161299
13101b26
149ab2d
1576356
hex5ba55

375381 has 8 divisors (see below), whose sum is σ = 556160. Its totient is φ = 250236.

The previous prime is 375373. The next prime is 375391. The reversal of 375381 is 183573.

It is not a de Polignac number, because 375381 - 23 = 375373 is a prime.

It is a super-2 number, since 2×3753812 = 281821790322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13903 = 375381 / (3 + 7 + 5 + 3 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6925 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (69520).

2375381 is an apocalyptic number.

It is an amenable number.

375381 is a deficient number, since it is larger than the sum of its proper divisors (180779).

375381 is a wasteful number, since it uses less digits than its factorization.

375381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912 (or 13906 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 375381 is about 612.6834419176. The cubic root of 375381 is about 72.1368923418.

The spelling of 375381 in words is "three hundred seventy-five thousand, three hundred eighty-one".

Divisors: 1 3 9 27 13903 41709 125127 375381