Search a number
-
+
676768505 = 57192291847
BaseRepresentation
bin101000010101101…
…010101011111001
31202011110101212012
4220111222223321
52341223043010
6151053255305
722525303010
oct5025525371
91664411765
10676768505
11318022216
1216a794535
13aa29714a
1465c4ba77
153e634005
hex2856aaf9

676768505 has 48 divisors (see below), whose sum is σ = 1013886720. Its totient is φ = 424255104.

The previous prime is 676768483. The next prime is 676768511. The reversal of 676768505 is 505867676.

It is a happy number.

It is not a de Polignac number, because 676768505 - 218 = 676506361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365492 + ... + 367338.

It is an arithmetic number, because the mean of its divisors is an integer number (21122640).

Almost surely, 2676768505 is an apocalyptic number.

It is an amenable number.

676768505 is a deficient number, since it is larger than the sum of its proper divisors (337118215).

676768505 is a wasteful number, since it uses less digits than its factorization.

676768505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The square root of 676768505 is about 26014.7747443640. The cubic root of 676768505 is about 877.9707481913.

The spelling of 676768505 in words is "six hundred seventy-six million, seven hundred sixty-eight thousand, five hundred five".

Divisors: 1 5 7 19 29 35 95 133 145 203 361 551 665 1015 1805 1847 2527 2755 3857 9235 10469 12635 12929 19285 35093 52345 53563 64645 73283 175465 245651 267815 366415 374941 666767 1017697 1228255 1874705 3333835 4667369 5088485 7123879 19336243 23336845 35619395 96681215 135353701 676768505