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378054705 = 3573600521
BaseRepresentation
bin10110100010001…
…010100000110001
3222100101011120010
4112202022200301
51233240222310
6101303005133
712240261210
oct2642124061
9870334503
10378054705
11184447106
12a67397a9
1360429912
14382d1077
15232cb320
hex1688a831

378054705 has 16 divisors (see below), whose sum is σ = 691300224. Its totient is φ = 172824960.

The previous prime is 378054689. The next prime is 378054709. The reversal of 378054705 is 507450873.

It is not a de Polignac number, because 378054705 - 24 = 378054689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378054709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800156 + ... + 1800365.

It is an arithmetic number, because the mean of its divisors is an integer number (43206264).

Almost surely, 2378054705 is an apocalyptic number.

378054705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378054705 is a deficient number, since it is larger than the sum of its proper divisors (313245519).

378054705 is a wasteful number, since it uses less digits than its factorization.

378054705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600536.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 378054705 is about 19443.6289051195. The cubic root of 378054705 is about 723.0775576845.

It can be divided in two parts, 3780 and 54705, that added together give a palindrome (58485).

The spelling of 378054705 in words is "three hundred seventy-eight million, fifty-four thousand, seven hundred five".

Divisors: 1 3 5 7 15 21 35 105 3600521 10801563 18002605 25203647 54007815 75610941 126018235 378054705