Search a number
-
+
345254105 = 5717580259
BaseRepresentation
bin10100100101000…
…010100011011001
3220001122201121002
4110211002203121
51201341112410
654131554345
711361416510
oct2445024331
9801581532
10345254105
11167983579
129775b9b5
13566b3c91
1433bd3677
152049c7a5
hex149428d9

345254105 has 16 divisors (see below), whose sum is σ = 501344640. Its totient is φ = 222819072.

The previous prime is 345254093. The next prime is 345254131. The reversal of 345254105 is 501452543.

It is not a de Polignac number, because 345254105 - 218 = 344991961 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 289535 + ... + 290724.

It is an arithmetic number, because the mean of its divisors is an integer number (31334040).

Almost surely, 2345254105 is an apocalyptic number.

345254105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345254105 is a deficient number, since it is larger than the sum of its proper divisors (156090535).

345254105 is a wasteful number, since it uses less digits than its factorization.

345254105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580288.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 345254105 is about 18581.0146386036. The cubic root of 345254105 is about 701.5300579291.

The spelling of 345254105 in words is "three hundred forty-five million, two hundred fifty-four thousand, one hundred five".

Divisors: 1 5 7 17 35 85 119 595 580259 2901295 4061813 9864403 20309065 49322015 69050821 345254105