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312042441 = 3359289733
BaseRepresentation
bin10010100110010…
…110001111001001
3210202011101202110
4102212112033021
51114340324231
650544052533
710506213504
oct2246261711
9722141673
10312042441
1115015a117
1288604149
134c8561c9
142d62a13b
151c5dc046
hex129963c9

312042441 has 8 divisors (see below), whose sum is σ = 417216960. Its totient is φ = 207448112.

The previous prime is 312042343. The next prime is 312042457. The reversal of 312042441 is 144240213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312042441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312042481) 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, 143790 + ... + 145943.

It is an arithmetic number, because the mean of its divisors is an integer number (52152120).

Almost surely, 2312042441 is an apocalyptic number.

It is an amenable number.

312042441 is a deficient number, since it is larger than the sum of its proper divisors (105174519).

312042441 is a wasteful number, since it uses less digits than its factorization.

312042441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290095.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 312042441 is about 17664.7230660432. The cubic root of 312042441 is about 678.2730407138.

Adding to 312042441 its reverse (144240213), we get a palindrome (456282654).

The spelling of 312042441 in words is "three hundred twelve million, forty-two thousand, four hundred forty-one".

Divisors: 1 3 359 1077 289733 869199 104014147 312042441