[go: up one dir, main page]

Search a number
-
+
1038393 = 3338459
BaseRepresentation
bin11111101100000111001
31221202102000
43331200321
5231212033
634131213
711553246
oct3754071
91852360
101038393
1164a184
12420b09
132a4845
141d05cd
15157a13
hexfd839

1038393 has 8 divisors (see below), whose sum is σ = 1538400. Its totient is φ = 692244.

The previous prime is 1038391. The next prime is 1038409. The reversal of 1038393 is 3938301.

It is not a de Polignac number, because 1038393 - 21 = 1038391 is a prime.

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: 38459 = 1038393 / (1 + 0 + 3 + 8 + 3 + 9 + 3).

It is not an unprimeable number, because it can be changed into a prime (1038391) 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, 19203 + ... + 19256.

It is an arithmetic number, because the mean of its divisors is an integer number (192300).

21038393 is an apocalyptic number.

It is an amenable number.

1038393 is a deficient number, since it is larger than the sum of its proper divisors (500007).

1038393 is an equidigital number, since it uses as much as digits as its factorization.

1038393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38468 (or 38462 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1038393 is about 1019.0157015473. The cubic root of 1038393 is about 101.2637292768.

It can be divided in two parts, 1038 and 393, that added together give a triangular number (1431 = T53).

The spelling of 1038393 in words is "one million, thirty-eight thousand, three hundred ninety-three".

Divisors: 1 3 9 27 38459 115377 346131 1038393