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312040101 = 3711464977
BaseRepresentation
bin10010100110010…
…101101010100101
3210202011021112210
4102212111222211
51114340240401
650544034033
710506203622
oct2246255245
9722137483
10312040101
1115015838a
1288602919
134c855119
142d629349
151c5db4d6
hex12995aa5

312040101 has 8 divisors (see below), whose sum is σ = 421913664. Its totient is φ = 205096640.

The previous prime is 312040081. The next prime is 312040111. The reversal of 312040101 is 101040213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312040101 - 26 = 312040037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312040111) 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, 732276 + ... + 732701.

It is an arithmetic number, because the mean of its divisors is an integer number (52739208).

Almost surely, 2312040101 is an apocalyptic number.

It is an amenable number.

312040101 is a deficient number, since it is larger than the sum of its proper divisors (109873563).

312040101 is a wasteful number, since it uses less digits than its factorization.

312040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465051.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 312040101 is about 17664.6568322173. The cubic root of 312040101 is about 678.2713452576.

Adding to 312040101 its reverse (101040213), we get a palindrome (413080314).

The spelling of 312040101 in words is "three hundred twelve million, forty thousand, one hundred one".

Divisors: 1 3 71 213 1464977 4394931 104013367 312040101