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378471875 = 55281431
BaseRepresentation
bin10110100011110…
…000010111000011
3222101011100210212
4112203300113003
51233342100000
6101315544335
712243646355
oct2643602703
9871140725
10378471875
11184701581
12a68bb0ab
1360544772
143839d0d5
152335ec35
hex168f05c3

378471875 has 24 divisors (see below), whose sum is σ = 475844544. Its totient is φ = 301000000.

The previous prime is 378471851. The next prime is 378471881. The reversal of 378471875 is 578174873.

It is a happy number.

It is not a de Polignac number, because 378471875 - 28 = 378471619 is a prime.

It is a Duffinian number.

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, 877910 + ... + 878340.

It is an arithmetic number, because the mean of its divisors is an integer number (19826856).

Almost surely, 2378471875 is an apocalyptic number.

378471875 is a deficient number, since it is larger than the sum of its proper divisors (97372669).

378471875 is an frugal number, since it uses more digits than its factorization.

378471875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 717 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 50.

The square root of 378471875 is about 19454.3536258597. The cubic root of 378471875 is about 723.3434234236.

The spelling of 378471875 in words is "three hundred seventy-eight million, four hundred seventy-one thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 281 431 625 1405 2155 3125 7025 10775 35125 53875 121111 175625 269375 605555 878125 1346875 3027775 15138875 75694375 378471875