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378668008 = 2347333501
BaseRepresentation
bin10110100100100…
…000001111101000
3222101112022212001
4112210200033220
51233414334013
6101324100344
712245424235
oct2644401750
9871468761
10378668008
11184825974
12a69946b4
13605b2b14
143841078c
152339cddd
hex169203e8

378668008 has 8 divisors (see below), whose sum is σ = 710002530. Its totient is φ = 189334000.

The previous prime is 378667999. The next prime is 378668011. The reversal of 378668008 is 800866873.

It can be written as a sum of positive squares in only one way, i.e., 340697764 + 37970244 = 18458^2 + 6162^2 .

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

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23666743 + ... + 23666758.

Almost surely, 2378668008 is an apocalyptic number.

It is an amenable number.

378668008 is a deficient number, since it is larger than the sum of its proper divisors (331334522).

378668008 is a wasteful number, since it uses less digits than its factorization.

378668008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47333507 (or 47333503 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 378668008 is about 19459.3938240635. The cubic root of 378668008 is about 723.4683530199.

The spelling of 378668008 in words is "three hundred seventy-eight million, six hundred sixty-eight thousand, eight".

Divisors: 1 2 4 8 47333501 94667002 189334004 378668008