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311040004 = 221110169991
BaseRepresentation
bin10010100010100…
…001100000000100
3210200021110200011
4102202201200010
51114111240004
650510400004
710464540112
oct2242414004
9720243604
10311040004
1114a634a60
1288200004
134c594b52
142d448ab2
151c490004
hex128a1804

311040004 has 24 divisors (see below), whose sum is σ = 599691456. Its totient is φ = 139980000.

The previous prime is 311039999. The next prime is 311040011. The reversal of 311040004 is 400040113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30552 + ... + 39439.

It is an arithmetic number, because the mean of its divisors is an integer number (24987144).

Almost surely, 2311040004 is an apocalyptic number.

It is an amenable number.

311040004 is a deficient number, since it is larger than the sum of its proper divisors (288651452).

311040004 is a wasteful number, since it uses less digits than its factorization.

311040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70107 (or 70105 counting only the distinct ones).

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

The square root of 311040004 is about 17636.3262614412. The cubic root of 311040004 is about 677.5459436988.

Adding to 311040004 its reverse (400040113), we get a palindrome (711080117).

The spelling of 311040004 in words is "three hundred eleven million, forty thousand, four".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 69991 139982 279964 769901 1539802 3079604 7069091 14138182 28276364 77760001 155520002 311040004