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380864547 = 32747293439
BaseRepresentation
bin10110101100111…
…000100000100011
3222112122220221100
4112230320200203
51240000131142
6101443125443
712303203160
oct2654704043
9875586840
10380864547
11185a96198
12a7673883
1360ba184b
1438823067
1523683b4c
hex16b38823

380864547 has 48 divisors (see below), whose sum is σ = 645765120. Its totient is φ = 211795776.

The previous prime is 380864537. The next prime is 380864551. The reversal of 380864547 is 745468083.

It is not a de Polignac number, because 380864547 - 24 = 380864531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380864537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 867354 + ... + 867792.

It is an arithmetic number, because the mean of its divisors is an integer number (13453440).

Almost surely, 2380864547 is an apocalyptic number.

380864547 is a deficient number, since it is larger than the sum of its proper divisors (264900573).

380864547 is a wasteful number, since it uses less digits than its factorization.

380864547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 380864547 is about 19515.7512537950. The cubic root of 380864547 is about 724.8645308519.

The spelling of 380864547 in words is "three hundred eighty million, eight hundred sixty-four thousand, five hundred forty-seven".

Divisors: 1 3 7 9 21 47 63 141 293 329 423 439 879 987 1317 2051 2637 2961 3073 3951 6153 9219 13771 18459 20633 27657 41313 61899 96397 123939 128627 144431 185697 289191 385881 433293 867573 900389 1157643 1299879 2701167 6045469 8103501 18136407 42318283 54409221 126954849 380864547