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345122994 = 234161109211
BaseRepresentation
bin10100100100100…
…010100010110010
3220001102001202010
4110210202202302
51201322413434
654125103350
711360332326
oct2444424262
9801361663
10345122994
111678a4017
12976b7b56
13566693b8
1433b9b986
15204739e9
hex149228b2

345122994 has 64 divisors (see below), whose sum is σ = 728703360. Its totient is φ = 108864000.

The previous prime is 345122989. The next prime is 345123029. The reversal of 345122994 is 499221543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1635549 + ... + 1635759.

It is an arithmetic number, because the mean of its divisors is an integer number (11385990).

Almost surely, 2345122994 is an apocalyptic number.

345122994 is an abundant number, since it is smaller than the sum of its proper divisors (383580366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345122994 is a wasteful number, since it uses less digits than its factorization.

345122994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its digits is 77760, while the sum is 39.

The square root of 345122994 is about 18577.4862131560. The cubic root of 345122994 is about 701.4412441621.

The spelling of 345122994 in words is "three hundred forty-five million, one hundred twenty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 41 61 82 109 122 123 183 211 218 246 327 366 422 633 654 1266 2501 4469 5002 6649 7503 8651 8938 12871 13298 13407 15006 17302 19947 22999 25742 25953 26814 38613 39894 45998 51906 68997 77226 137994 272609 527711 545218 817827 942959 1055422 1402939 1583133 1635654 1885918 2805878 2828877 3166266 4208817 5657754 8417634 57520499 115040998 172561497 345122994