Search a number
-
+
1213053 = 31392909
BaseRepresentation
bin100101000001001111101
32021121222220
410220021331
5302304203
641555553
713211412
oct4501175
92247886
101213053
11759426
124a5bb9
133361aa
14238109
1518e653
hex12827d

1213053 has 8 divisors (see below), whose sum is σ = 1629600. Its totient is φ = 802608.

The previous prime is 1213049. The next prime is 1213057. The reversal of 1213053 is 3503121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1213049) and next prime (1213057).

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

It is not a de Polignac number, because 1213053 - 22 = 1213049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213057) 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, 1038 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (203700).

21213053 is an apocalyptic number.

It is an amenable number.

1213053 is a deficient number, since it is larger than the sum of its proper divisors (416547).

1213053 is a wasteful number, since it uses less digits than its factorization.

1213053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1213053 is about 1101.3868530176. The cubic root of 1213053 is about 106.6497705443.

Adding to 1213053 its reverse (3503121), we get a palindrome (4716174).

The spelling of 1213053 in words is "one million, two hundred thirteen thousand, fifty-three".

Divisors: 1 3 139 417 2909 8727 404351 1213053