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313944208 = 2447417479
BaseRepresentation
bin10010101101100…
…110100010010000
3210212202000111021
4102231212202100
51120332203313
651052525224
710531324144
oct2255464220
9725660437
10313944208
11151238a26
1289180814
1350070a06
142d9a3224
151c86578d
hex12b66890

313944208 has 20 divisors (see below), whose sum is σ = 621210240. Its totient is φ = 153631904.

The previous prime is 313944203. The next prime is 313944209. The reversal of 313944208 is 802449313.

313944208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (313944203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207988 + ... + 209491.

It is an arithmetic number, because the mean of its divisors is an integer number (31060512).

Almost surely, 2313944208 is an apocalyptic number.

It is an amenable number.

313944208 is a deficient number, since it is larger than the sum of its proper divisors (307266032).

313944208 is a wasteful number, since it uses less digits than its factorization.

313944208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417534 (or 417528 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 313944208 is about 17718.4708143790. The cubic root of 313944208 is about 679.6481801745.

The spelling of 313944208 in words is "three hundred thirteen million, nine hundred forty-four thousand, two hundred eight".

Divisors: 1 2 4 8 16 47 94 188 376 752 417479 834958 1669916 3339832 6679664 19621513 39243026 78486052 156972104 313944208