Search a number
-
+
79314939 = 32113759367
BaseRepresentation
bin1001011101000…
…11111111111011
312112020121122100
410232203333323
5130301034224
611511554443
71652110614
oct456437773
9175217570
1079314939
1140853540
122268ba23
1313580622
14a768c0b
156e6aac9
hex4ba3ffb

79314939 has 48 divisors (see below), whose sum is σ = 130890240. Its totient is φ = 45852480.

The previous prime is 79314901. The next prime is 79314941. The reversal of 79314939 is 93941397.

It is not a de Polignac number, because 79314939 - 215 = 79282171 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 79314894 and 79314903.

It is not an unprimeable number, because it can be changed into a prime (79314959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215934 + ... + 216300.

It is an arithmetic number, because the mean of its divisors is an integer number (2726880).

Almost surely, 279314939 is an apocalyptic number.

79314939 is a deficient number, since it is larger than the sum of its proper divisors (51575301).

79314939 is a wasteful number, since it uses less digits than its factorization.

79314939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 79314939 is about 8905.8934981281. The cubic root of 79314939 is about 429.6534778105.

The spelling of 79314939 in words is "seventy-nine million, three hundred fourteen thousand, nine hundred thirty-nine".

Divisors: 1 3 9 11 33 37 59 99 111 177 333 367 407 531 649 1101 1221 1947 2183 3303 3663 4037 5841 6549 12111 13579 19647 21653 24013 36333 40737 64959 72039 122211 149369 194877 216117 238183 448107 714549 801161 1344321 2143647 2403483 7210449 8812771 26438313 79314939