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312401141 = 1324030857
BaseRepresentation
bin10010100111101…
…101110011110101
3210202211121210122
4102213231303311
51114433314031
650555501325
710512236333
oct2247556365
9722747718
10312401141
11150384668
1288757845
134c950560
142d6c0b53
151c65d47b
hex129edcf5

312401141 has 4 divisors (see below), whose sum is σ = 336432012. Its totient is φ = 288370272.

The previous prime is 312401107. The next prime is 312401143. The reversal of 312401141 is 141104213.

It is a happy number.

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 41667025 + 270734116 = 6455^2 + 16454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312401141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312401143) 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, 12015416 + ... + 12015441.

It is an arithmetic number, because the mean of its divisors is an integer number (84108003).

Almost surely, 2312401141 is an apocalyptic number.

It is an amenable number.

312401141 is a deficient number, since it is larger than the sum of its proper divisors (24030871).

312401141 is a wasteful number, since it uses less digits than its factorization.

312401141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030870.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 312401141 is about 17674.8731537174. The cubic root of 312401141 is about 678.5328380386.

Adding to 312401141 its reverse (141104213), we get a palindrome (453505354).

The spelling of 312401141 in words is "three hundred twelve million, four hundred one thousand, one hundred forty-one".

Divisors: 1 13 24030857 312401141