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312010042 = 2236782827
BaseRepresentation
bin10010100110001…
…110010100111010
3210202002202022111
4102212032110322
51114333310132
650543242534
710506020161
oct2246162472
9722082274
10312010042
11150137843
12885a944a
134c844536
142d61c3d8
151c5d2647
hex1298e53a

312010042 has 8 divisors (see below), whose sum is σ = 488363616. Its totient is φ = 149222172.

The previous prime is 312010037. The next prime is 312010051. The reversal of 312010042 is 240010213.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391368 + ... + 3391459.

It is an arithmetic number, because the mean of its divisors is an integer number (61045452).

Almost surely, 2312010042 is an apocalyptic number.

312010042 is a deficient number, since it is larger than the sum of its proper divisors (176353574).

312010042 is a wasteful number, since it uses less digits than its factorization.

312010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782852.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 312010042 is about 17663.8059885179. The cubic root of 312010042 is about 678.2495651370.

Adding to 312010042 its reverse (240010213), we get a palindrome (552020255).

The spelling of 312010042 in words is "three hundred twelve million, ten thousand, forty-two".

Divisors: 1 2 23 46 6782827 13565654 156005021 312010042