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31412401 = 77340637
BaseRepresentation
bin111011111010…
…1000010110001
32012002220201021
41313311002301
531020144101
63041135441
7531000226
oct167650261
965086637
1031412401
1116805669
12a62a581
13667ab27
14425994d
152b575a1
hex1df50b1

31412401 has 4 divisors (see below), whose sum is σ = 31453812. Its totient is φ = 31370992.

The previous prime is 31412389. The next prime is 31412417. The reversal of 31412401 is 10421413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 30691600 = 849^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 31412401 - 215 = 31379633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31412431) 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, 19546 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (7863453).

Almost surely, 231412401 is an apocalyptic number.

It is an amenable number.

31412401 is a deficient number, since it is larger than the sum of its proper divisors (41411).

31412401 is an equidigital number, since it uses as much as digits as its factorization.

31412401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41410.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 31412401 is about 5604.6767078932. The cubic root of 31412401 is about 315.5249531743.

Adding to 31412401 its reverse (10421413), we get a palindrome (41833814).

It can be divided in two parts, 31412 and 401, that added together give a palindrome (31813).

The spelling of 31412401 in words is "thirty-one million, four hundred twelve thousand, four hundred one".

Divisors: 1 773 40637 31412401