Search a number
-
+
78014275 = 5217232347
BaseRepresentation
bin1001010011001…
…10011101000011
312102210112110121
410221212131003
5124432424100
611424041111
71635052603
oct451463503
9172715417
1078014275
1140045309
1222163197
13132165c1
14a50ac03
156cb051a
hex4a66743

78014275 has 36 divisors (see below), whose sum is σ = 107383752. Its totient is φ = 56024320.

The previous prime is 78014249. The next prime is 78014329. The reversal of 78014275 is 57241087.

It is a happy number.

It is not a de Polignac number, because 78014275 - 225 = 44459843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78014275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 224652 + ... + 224998.

It is an arithmetic number, because the mean of its divisors is an integer number (2982882).

Almost surely, 278014275 is an apocalyptic number.

78014275 is a deficient number, since it is larger than the sum of its proper divisors (29369477).

78014275 is a wasteful number, since it uses less digits than its factorization.

78014275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 78014275 is about 8832.5689920883. The cubic root of 78014275 is about 427.2919316238.

The spelling of 78014275 in words is "seventy-eight million, fourteen thousand, two hundred seventy-five".

Divisors: 1 5 17 23 25 85 115 347 391 425 529 575 1735 1955 2645 5899 7981 8675 8993 9775 13225 29495 39905 44965 135677 147475 183563 199525 224825 678385 917815 3120571 3391925 4589075 15602855 78014275