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378885803 is a prime number
BaseRepresentation
bin10110100101010…
…101011010101011
3222101221101121112
4112211111122223
51233443321203
6101332500535
712250322222
oct2645253253
9871841545
10378885803
1118496456a
12a6a7a74b
136065acaa
1438469cb9
15233e26d8
hex169556ab

378885803 has 2 divisors, whose sum is σ = 378885804. Its totient is φ = 378885802.

The previous prime is 378885799. The next prime is 378885869. The reversal of 378885803 is 308588873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378885803 - 22 = 378885799 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378888803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189442901 + 189442902.

It is an arithmetic number, because the mean of its divisors is an integer number (189442902).

Almost surely, 2378885803 is an apocalyptic number.

378885803 is a deficient number, since it is larger than the sum of its proper divisors (1).

378885803 is an equidigital number, since it uses as much as digits as its factorization.

378885803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 378885803 is about 19464.9891600278. The cubic root of 378885803 is about 723.6070299852.

The spelling of 378885803 in words is "three hundred seventy-eight million, eight hundred eighty-five thousand, eight hundred three".