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378108125 = 54604973
BaseRepresentation
bin10110100010010…
…111100011011101
3222100110212211122
4112202113203131
51233243430000
6101304100325
712240603023
oct2642274335
9870425748
10378108125
1118448325a
12a67646a5
1360448025
1438306713
15232dc085
hex168978dd

378108125 has 10 divisors (see below), whose sum is σ = 472484694. Its totient is φ = 302486000.

The previous prime is 378108079. The next prime is 378108127. The reversal of 378108125 is 521801873.

It can be written as a sum of positive squares in 5 ways, for example, as 242175844 + 135932281 = 15562^2 + 11659^2 .

It is not a de Polignac number, because 378108125 - 210 = 378107101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378108127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 301862 + ... + 303111.

Almost surely, 2378108125 is an apocalyptic number.

It is an amenable number.

378108125 is a deficient number, since it is larger than the sum of its proper divisors (94376569).

378108125 is an frugal number, since it uses more digits than its factorization.

378108125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604993 (or 604978 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 378108125 is about 19445.0025713549. The cubic root of 378108125 is about 723.1116135882. Note that the first 3 decimals are identical.

Adding to 378108125 its reverse (521801873), we get a palindrome (899909998).

The spelling of 378108125 in words is "three hundred seventy-eight million, one hundred eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 604973 3024865 15124325 75621625 378108125