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311040014 = 2155520007
BaseRepresentation
bin10010100010100…
…001100000001110
3210200021110200112
4102202201200032
51114111240024
650510400022
710464540125
oct2242414016
9720243615
10311040014
1114a634a6a
1288200012
134c594b5c
142d448abc
151c49000e
hex128a180e

311040014 has 4 divisors (see below), whose sum is σ = 466560024. Its totient is φ = 155520006.

The previous prime is 311040011. The next prime is 311040029. The reversal of 311040014 is 410040113.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311040011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77760002 + ... + 77760005.

It is an arithmetic number, because the mean of its divisors is an integer number (116640006).

Almost surely, 2311040014 is an apocalyptic number.

311040014 is a deficient number, since it is larger than the sum of its proper divisors (155520010).

311040014 is a wasteful number, since it uses less digits than its factorization.

311040014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155520009.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 311040014 is about 17636.3265449469. The cubic root of 311040014 is about 677.5459509599.

Adding to 311040014 its reverse (410040113), we get a palindrome (721080127).

Subtracting 311040014 from its reverse (410040113), we obtain a palindrome (99000099).

The spelling of 311040014 in words is "three hundred eleven million, forty thousand, fourteen".

Divisors: 1 2 155520007 311040014