Search a number
-
+
1381053 = 31924229
BaseRepresentation
bin101010001001010111101
32121011110010
411101022331
5323143203
645333433
714511252
oct5211275
92534403
101381053
11863673
12567279
133947bb
1427d429
151c4303
hex1512bd

1381053 has 8 divisors (see below), whose sum is σ = 1938400. Its totient is φ = 872208.

The previous prime is 1381043. The next prime is 1381057. The reversal of 1381053 is 3501831.

It is a happy number.

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

It is not a de Polignac number, because 1381053 - 212 = 1376957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381057) 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, 12058 + ... + 12171.

It is an arithmetic number, because the mean of its divisors is an integer number (242300).

21381053 is an apocalyptic number.

It is an amenable number.

1381053 is a deficient number, since it is larger than the sum of its proper divisors (557347).

1381053 is a wasteful number, since it uses less digits than its factorization.

1381053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24251.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1381053 is about 1175.1821135467. The cubic root of 1381053 is about 111.3619384190.

Adding to 1381053 its reverse (3501831), we get a palindrome (4882884).

The spelling of 1381053 in words is "one million, three hundred eighty-one thousand, fifty-three".

Divisors: 1 3 19 57 24229 72687 460351 1381053