Search a number
-
+
378063992 = 2347257999
BaseRepresentation
bin10110100010001…
…100110001111000
3222100101122022002
4112202030301320
51233241021432
6101303120132
712240330245
oct2642146170
9870348262
10378063992
11184453089
12a6743048
1360430c07
14382d45cc
15232cde62
hex1688cc78

378063992 has 8 divisors (see below), whose sum is σ = 708870000. Its totient is φ = 189031992.

The previous prime is 378063989. The next prime is 378063997. The reversal of 378063992 is 299360873.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378063997) 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 as a sum of consecutive naturals, namely, 23628992 + ... + 23629007.

It is an arithmetic number, because the mean of its divisors is an integer number (88608750).

Almost surely, 2378063992 is an apocalyptic number.

It is an amenable number.

378063992 is a deficient number, since it is larger than the sum of its proper divisors (330806008).

378063992 is a wasteful number, since it uses less digits than its factorization.

378063992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47258005 (or 47258001 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 378063992 is about 19443.8677222409. The cubic root of 378063992 is about 723.0834784910.

The spelling of 378063992 in words is "three hundred seventy-eight million, sixty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 47257999 94515998 189031996 378063992