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345649108 = 227197223281
BaseRepresentation
bin10100100110100…
…010111111010100
3220002101210102211
4110212202333110
51201441232413
654144243204
711364653230
oct2446427724
9802353384
10345649108
11168123322
1297910504
13567c19cc
1433c975c0
152052983d
hex149a2fd4

345649108 has 48 divisors (see below), whose sum is σ = 700406784. Its totient is φ = 146200320.

The previous prime is 345649091. The next prime is 345649123. The reversal of 345649108 is 801946543.

345649108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3456491082 = 238946611722391328, which contains 22 as substring.

It is a congruent number.

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, 1229928 + ... + 1230208.

It is an arithmetic number, because the mean of its divisors is an integer number (14591808).

Almost surely, 2345649108 is an apocalyptic number.

It is an amenable number.

345649108 is an abundant number, since it is smaller than the sum of its proper divisors (354757676).

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

345649108 is a wasteful number, since it uses less digits than its factorization.

345649108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 345649108 is about 18591.6408097833. The cubic root of 345649108 is about 701.7974946392.

The spelling of 345649108 in words is "three hundred forty-five million, six hundred forty-nine thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 197 223 281 394 446 562 788 892 1124 1379 1561 1967 2758 3122 3934 5516 6244 7868 43931 55357 62663 87862 110714 125326 175724 221428 250652 307517 387499 438641 615034 774998 877282 1230068 1549996 1754564 12344611 24689222 49378444 86412277 172824554 345649108