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1406131 = 4633037
BaseRepresentation
bin101010111010010110011
32122102211221
411113102303
5324444011
650045511
714644336
oct5272263
92572757
101406131
118804a1
12579897
133a303c
1428861d
151cb971
hex1574b3

1406131 has 4 divisors (see below), whose sum is σ = 1409632. Its totient is φ = 1402632.

The previous prime is 1406101. The next prime is 1406159. The reversal of 1406131 is 1316041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1406131 - 213 = 1397939 is a prime.

It is a super-2 number, since 2×14061312 = 3954408778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (352408).

21406131 is an apocalyptic number.

1406131 is a deficient number, since it is larger than the sum of its proper divisors (3501).

1406131 is an equidigital number, since it uses as much as digits as its factorization.

1406131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1406131 is about 1185.8039466961. The cubic root of 1406131 is about 112.0319583545.

The spelling of 1406131 in words is "one million, four hundred six thousand, one hundred thirty-one".

Divisors: 1 463 3037 1406131