Search a number
-
+
378513768 = 23315771407
BaseRepresentation
bin10110100011111…
…010100101101000
3222101020111021110
4112203322211220
51233344420033
6101320510320
712244212453
oct2643724550
9871214243
10378513768
1118472aaa6
12a691b3a0
136055a859
14383b049a
152336c363
hex168fa968

378513768 has 16 divisors (see below), whose sum is σ = 946284480. Its totient is φ = 126171248.

The previous prime is 378513739. The next prime is 378513769. The reversal of 378513768 is 867315873.

It is not an unprimeable number, because it can be changed into a prime (378513769) 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, 7885680 + ... + 7885727.

It is an arithmetic number, because the mean of its divisors is an integer number (59142780).

Almost surely, 2378513768 is an apocalyptic number.

It is an amenable number.

378513768 is an abundant number, since it is smaller than the sum of its proper divisors (567770712).

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

378513768 is a wasteful number, since it uses less digits than its factorization.

378513768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771416 (or 15771412 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 378513768 is about 19455.4302959354. The cubic root of 378513768 is about 723.3701113671.

The spelling of 378513768 in words is "three hundred seventy-eight million, five hundred thirteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 15771407 31542814 47314221 63085628 94628442 126171256 189256884 378513768