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378103994 = 21447130651
BaseRepresentation
bin10110100010010…
…110100010111010
3222100110200011122
4112202112202322
51233243311434
6101304025242
712240555002
oct2642264272
9870420148
10378103994
11184480144
12a6762222
1360446198
1438305002
15232dac2e
hex168968ba

378103994 has 8 divisors (see below), whose sum is σ = 567552288. Its totient is φ = 188919900.

The previous prime is 378103967. The next prime is 378104003. The reversal of 378103994 is 499301873.

It is a happy number.

378103994 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

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, 62432 + ... + 68219.

It is an arithmetic number, because the mean of its divisors is an integer number (70944036).

Almost surely, 2378103994 is an apocalyptic number.

378103994 is a deficient number, since it is larger than the sum of its proper divisors (189448294).

378103994 is a wasteful number, since it uses less digits than its factorization.

378103994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132100.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 378103994 is about 19444.8963483995. The cubic root of 378103994 is about 723.1089801396.

The spelling of 378103994 in words is "three hundred seventy-eight million, one hundred three thousand, nine hundred ninety-four".

Divisors: 1 2 1447 2894 130651 261302 189051997 378103994