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378214853 is a prime number
BaseRepresentation
bin10110100010110…
…001100111000101
3222100200022020112
4112202301213011
51233310333403
6101310242405
712241526132
oct2642614705
9870608215
10378214853
11184546465
12a67b6405
1360484793
1438333589
152330d9d8
hex168b19c5

378214853 has 2 divisors, whose sum is σ = 378214854. Its totient is φ = 378214852.

The previous prime is 378214847. The next prime is 378214877. The reversal of 378214853 is 358412873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358837249 + 19377604 = 18943^2 + 4402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-378214853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378214853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378214813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189107426 + 189107427.

It is an arithmetic number, because the mean of its divisors is an integer number (189107427).

Almost surely, 2378214853 is an apocalyptic number.

It is an amenable number.

378214853 is a deficient number, since it is larger than the sum of its proper divisors (1).

378214853 is an equidigital number, since it uses as much as digits as its factorization.

378214853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 378214853 is about 19447.7467332336. The cubic root of 378214853 is about 723.1796443894.

The spelling of 378214853 in words is "three hundred seventy-eight million, two hundred fourteen thousand, eight hundred fifty-three".