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378984463 = 112131971223
BaseRepresentation
bin10110100101101…
…101100000001111
3222102010101221121
4112211231200033
51234010000323
6101334541411
712251212654
oct2645554017
9872111847
10378984463
11184a21700
12a6b07867
1360693b80
1438493c2b
1523411a5d
hex1696d80f

378984463 has 24 divisors (see below), whose sum is σ = 451259424. Its totient is φ = 316155840.

The previous prime is 378984457. The next prime is 378984467. The reversal of 378984463 is 364489873.

It is not a de Polignac number, because 378984463 - 221 = 376887311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378984463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378984467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309270 + ... + 310492.

It is an arithmetic number, because the mean of its divisors is an integer number (18802476).

Almost surely, 2378984463 is an apocalyptic number.

378984463 is a deficient number, since it is larger than the sum of its proper divisors (72274961).

378984463 is a wasteful number, since it uses less digits than its factorization.

378984463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1444 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The square root of 378984463 is about 19467.5232888008. The cubic root of 378984463 is about 723.6698324385.

The spelling of 378984463 in words is "three hundred seventy-eight million, nine hundred eighty-four thousand, four hundred sixty-three".

Divisors: 1 11 13 121 143 197 1223 1573 2167 2561 13453 15899 23837 28171 147983 174889 240931 309881 1923779 2650241 3132103 29152651 34453133 378984463