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378950960 = 2454736887
BaseRepresentation
bin10110100101100…
…101010100110000
3222102001200222202
4112211211110300
51234002412320
6101334122332
712251013203
oct2645452460
9872050882
10378950960
111849a9513
12a6ab03a8
136068184b
143848593a
1523406b75
hex16965530

378950960 has 20 divisors (see below), whose sum is σ = 881061168. Its totient is φ = 151580352.

The previous prime is 378950947. The next prime is 378950969. The reversal of 378950960 is 69059873.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (378950969) 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 3 ways as a sum of consecutive naturals, for example, 2368364 + ... + 2368523.

Almost surely, 2378950960 is an apocalyptic number.

It is an amenable number.

378950960 is an abundant number, since it is smaller than the sum of its proper divisors (502110208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378950960 is a wasteful number, since it uses less digits than its factorization.

378950960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736900 (or 4736894 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 378950960 is about 19466.6627853877. The cubic root of 378950960 is about 723.6485071801.

The spelling of 378950960 in words is "three hundred seventy-eight million, nine hundred fifty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4736887 9473774 18947548 23684435 37895096 47368870 75790192 94737740 189475480 378950960