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1631113 = 11791877
BaseRepresentation
bin110001110001110001001
310001212110121
412032032021
5404143423
654543241
716602301
oct6161611
93055417
101631113
11a14530
12667b21
13451573
14306601
1522345d
hex18e389

1631113 has 8 divisors (see below), whose sum is σ = 1802880. Its totient is φ = 1463280.

The previous prime is 1631101. The next prime is 1631117. The reversal of 1631113 is 3111361.

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

It is a cyclic number.

It is not a de Polignac number, because 1631113 - 217 = 1500041 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1631117) 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, 70 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (225360).

21631113 is an apocalyptic number.

It is an amenable number.

1631113 is a deficient number, since it is larger than the sum of its proper divisors (171767).

1631113 is a wasteful number, since it uses less digits than its factorization.

1631113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its digits is 54, while the sum is 16.

The square root of 1631113 is about 1277.1503435383. The cubic root of 1631113 is about 117.7139725668.

Adding to 1631113 its reverse (3111361), we get a palindrome (4742474).

The spelling of 1631113 in words is "one million, six hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 11 79 869 1877 20647 148283 1631113