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6242131 = 723137283
BaseRepresentation
bin10111110011111101010011
3102202010121001
4113303331103
53044222011
6341442431
7104025430
oct27637523
912663531
106242131
113583895
122110417
1313a728c
14b86b87
158347c1
hex5f3f53

6242131 has 16 divisors (see below), whose sum is σ = 7524864. Its totient is φ = 5062464.

The previous prime is 6242113. The next prime is 6242143. The reversal of 6242131 is 1312426.

It is a cyclic number.

It is not a de Polignac number, because 6242131 - 27 = 6242003 is a prime.

It is a super-2 number, since 2×62421312 = 77928398842322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6242099 and 6242108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6242161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21916 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (470304).

Almost surely, 26242131 is an apocalyptic number.

6242131 is a deficient number, since it is larger than the sum of its proper divisors (1282733).

6242131 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (6242130) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (450).

6242131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its digits is 288, while the sum is 19.

The square root of 6242131 is about 2498.4257043186. The cubic root of 6242131 is about 184.1242367487.

Adding to 6242131 its reverse (1312426), we get a palindrome (7554557).

The spelling of 6242131 in words is "six million, two hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 7 23 137 161 283 959 1981 3151 6509 22057 38771 45563 271397 891733 6242131