Search a number
-
+
680000367 = 31961223877
BaseRepresentation
bin101000100001111…
…111101101101111
31202101112121010210
4220201333231233
52343040002432
6151250433503
722564623234
oct5041775557
91671477123
10680000367
1131992a382
1216b892893
13aab591a7
146644d78b
153ea718cc
hex2887fb6f

680000367 has 32 divisors (see below), whose sum is σ = 975493120. Its totient is φ = 420059520.

The previous prime is 680000341. The next prime is 680000413. The reversal of 680000367 is 763000086.

It is not a de Polignac number, because 680000367 - 210 = 679999343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680000327) 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 31 ways as a sum of consecutive naturals, for example, 774933 + ... + 775809.

It is an arithmetic number, because the mean of its divisors is an integer number (30484160).

Almost surely, 2680000367 is an apocalyptic number.

680000367 is a deficient number, since it is larger than the sum of its proper divisors (295492753).

680000367 is a wasteful number, since it uses less digits than its factorization.

680000367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 680000367 is about 26076.8166577134. The cubic root of 680000367 is about 879.3660926313.

The spelling of 680000367 in words is "six hundred eighty million, three hundred sixty-seven", and thus it is an aban number.

Divisors: 1 3 19 57 61 183 223 669 877 1159 2631 3477 4237 12711 13603 16663 40809 49989 53497 160491 195571 258457 586713 775371 1016443 3049329 3715849 11147547 11929831 35789493 226666789 680000367