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378425425 = 5272239697
BaseRepresentation
bin10110100011100…
…101000001010001
3222101002000002111
4112203211001101
51233334103200
6101314545321
712243364060
oct2643450121
9871060074
10378425425
1118467a694
12a6898241
1360529591
143838a1d7
15233510ba
hex168e5051

378425425 has 24 divisors (see below), whose sum is σ = 538743296. Its totient is φ = 258301440.

The previous prime is 378425387. The next prime is 378425431. The reversal of 378425425 is 524524873.

It is not a de Polignac number, because 378425425 - 219 = 377901137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34177 + ... + 43873.

Almost surely, 2378425425 is an apocalyptic number.

378425425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378425425 is a deficient number, since it is larger than the sum of its proper divisors (160317871).

378425425 is a wasteful number, since it uses less digits than its factorization.

378425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937 (or 9932 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 378425425 is about 19453.1597690452. The cubic root of 378425425 is about 723.3138301399.

The spelling of 378425425 in words is "three hundred seventy-eight million, four hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 223 1115 1561 5575 7805 9697 39025 48485 67879 242425 339395 1696975 2162431 10812155 15137017 54060775 75685085 378425425