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383125 = 54613
BaseRepresentation
bin1011101100010010101
3201110112211
41131202111
544230000
612113421
73153661
oct1354225
9643484
10383125
11241936
12165871
13105502
149d8a1
15787ba
hex5d895

383125 has 10 divisors (see below), whose sum is σ = 479534. Its totient is φ = 306000.

The previous prime is 383113. The next prime is 383143. The reversal of 383125 is 521383.

It can be written as a sum of positive squares in 5 ways, for example, as 285156 + 97969 = 534^2 + 313^2 .

It is not a de Polignac number, because 383125 - 211 = 381077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383096 and 383105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 319 + ... + 931.

2383125 is an apocalyptic number.

It is an amenable number.

383125 is a deficient number, since it is larger than the sum of its proper divisors (96409).

383125 is an frugal number, since it uses more digits than its factorization.

383125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 618 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 383125 is about 618.9709201570. The cubic root of 383125 is about 72.6295740703.

The spelling of 383125 in words is "three hundred eighty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 613 625 3065 15325 76625 383125