Search a number
-
+
384131 = 1147743
BaseRepresentation
bin1011101110010000011
3201111221002
41131302003
544243011
612122215
73156626
oct1356203
9644832
10384131
11242670
1216636b
13105ac7
149ddbd
1578c3b
hex5dc83

384131 has 8 divisors (see below), whose sum is σ = 428544. Its totient is φ = 341320.

The previous prime is 384113. The next prime is 384133. The reversal of 384131 is 131483.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 384131 - 26 = 384067 is a prime.

It is a super-2 number, since 2×3841312 = 295113250322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384133) 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, 146 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2384131 is an apocalyptic number.

384131 is a deficient number, since it is larger than the sum of its proper divisors (44413).

384131 is a wasteful number, since it uses less digits than its factorization.

384131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801.

The product of its digits is 288, while the sum is 20.

The square root of 384131 is about 619.7830265504. The cubic root of 384131 is about 72.6930881485.

It can be divided in two parts, 384 and 131, that added together give a palindrome (515).

The spelling of 384131 in words is "three hundred eighty-four thousand, one hundred thirty-one".

Divisors: 1 11 47 517 743 8173 34921 384131