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378808082 = 21391362619
BaseRepresentation
bin10110100101000…
…010011100010010
3222101210102222222
4112211002130102
51233433324312
6101331101042
712246546512
oct2645023422
9871712888
10378808082
11184911134
12a6a41782
13606317c3
1438449842
15233c9672
hex16942712

378808082 has 8 divisors (see below), whose sum is σ = 572300400. Its totient is φ = 188041284.

The previous prime is 378808057. The next prime is 378808097. The reversal of 378808082 is 280808873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681032 + ... + 681587.

It is an arithmetic number, because the mean of its divisors is an integer number (71537550).

Almost surely, 2378808082 is an apocalyptic number.

378808082 is a deficient number, since it is larger than the sum of its proper divisors (193492318).

378808082 is a wasteful number, since it uses less digits than its factorization.

378808082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362760.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 378808082 is about 19462.9926270345. The cubic root of 378808082 is about 723.5575486662.

The spelling of 378808082 in words is "three hundred seventy-eight million, eight hundred eight thousand, eighty-two".

Divisors: 1 2 139 278 1362619 2725238 189404041 378808082