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345663066 = 23738921157
BaseRepresentation
bin10100100110100…
…110011001011010
3220002102111120210
4110212212121122
51201442204231
654144431550
711365042020
oct2446463132
9802374523
10345663066
11168132861
12979185b6
13567c8178
1433c9c710
152052da46
hex149a665a

345663066 has 32 divisors (see below), whose sum is σ = 792155520. Its totient is φ = 98502336.

The previous prime is 345663047. The next prime is 345663077. The reversal of 345663066 is 660366543.

It is a happy number.

345663066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760 + ... + 26916.

It is an arithmetic number, because the mean of its divisors is an integer number (24754860).

Almost surely, 2345663066 is an apocalyptic number.

345663066 is an abundant number, since it is smaller than the sum of its proper divisors (446492454).

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

345663066 is a wasteful number, since it uses less digits than its factorization.

345663066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21558.

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 345663066 is about 18592.0161897520. The cubic root of 345663066 is about 701.8069411727.

The spelling of 345663066 in words is "three hundred forty-five million, six hundred sixty-three thousand, sixty-six".

Divisors: 1 2 3 6 7 14 21 42 389 778 1167 2334 2723 5446 8169 16338 21157 42314 63471 126942 148099 296198 444297 888594 8230073 16460146 24690219 49380438 57610511 115221022 172831533 345663066