Search a number
-
+
1138415 = 52231021
BaseRepresentation
bin100010101111011101111
32010211121112
410111323233
5242412130
640222235
712450665
oct4257357
92124545
101138415
11708343
1246a97b
1330b225
14218c35
15177495
hex115eef

1138415 has 8 divisors (see below), whose sum is σ = 1373568. Its totient is φ = 905760.

The previous prime is 1138411. The next prime is 1138427. The reversal of 1138415 is 5148311.

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

It is not a de Polignac number, because 1138415 - 22 = 1138411 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138411) 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, 605 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (171696).

21138415 is an apocalyptic number.

1138415 is a deficient number, since it is larger than the sum of its proper divisors (235153).

1138415 is a wasteful number, since it uses less digits than its factorization.

1138415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its digits is 480, while the sum is 23.

The square root of 1138415 is about 1066.9653227730. The cubic root of 1138415 is about 104.4159561740.

The spelling of 1138415 in words is "one million, one hundred thirty-eight thousand, four hundred fifteen".

Divisors: 1 5 223 1021 1115 5105 227683 1138415