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311244104 = 2338905513
BaseRepresentation
bin10010100011010…
…011010101001000
3210200122211122102
4102203103111020
51114134302404
650515012532
710466350133
oct2243232510
9720584572
10311244104
1114a764336
128829a148
134c636a12
142d49d21a
151c4d071e
hex128d3548

311244104 has 8 divisors (see below), whose sum is σ = 583582710. Its totient is φ = 155622048.

The previous prime is 311244097. The next prime is 311244113. The reversal of 311244104 is 401442113.

It can be written as a sum of positive squares in only one way, i.e., 224940004 + 86304100 = 14998^2 + 9290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19452749 + ... + 19452764.

Almost surely, 2311244104 is an apocalyptic number.

It is an amenable number.

311244104 is a deficient number, since it is larger than the sum of its proper divisors (272338606).

311244104 is a wasteful number, since it uses less digits than its factorization.

311244104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38905519 (or 38905515 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 311244104 is about 17642.1116649907. Note that the first 3 decimals coincide. The cubic root of 311244104 is about 677.6941099464.

Adding to 311244104 its reverse (401442113), we get a palindrome (712686217).

The spelling of 311244104 in words is "three hundred eleven million, two hundred forty-four thousand, one hundred four".

Divisors: 1 2 4 8 38905513 77811026 155622052 311244104