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345841149 = 31766110259
BaseRepresentation
bin10100100111010…
…001110111111101
3220002202112212110
4110213101313331
51202013404044
654152324233
711366413143
oct2447216775
9802675773
10345841149
11168244635
12979a3679
135685b244
1433d07593
15205666b9
hex149d1dfd

345841149 has 16 divisors (see below), whose sum is σ = 489032640. Its totient is φ = 216648960.

The previous prime is 345841141. The next prime is 345841151. The reversal of 345841149 is 941148543.

It is not a de Polignac number, because 345841149 - 23 = 345841141 is a prime.

It is a super-2 number, since 2×3458411492 = 239212200683280402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345841141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28582 + ... + 38840.

It is an arithmetic number, because the mean of its divisors is an integer number (30564540).

Almost surely, 2345841149 is an apocalyptic number.

It is an amenable number.

345841149 is a deficient number, since it is larger than the sum of its proper divisors (143191491).

345841149 is a wasteful number, since it uses less digits than its factorization.

345841149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940.

The product of its digits is 69120, while the sum is 39.

The square root of 345841149 is about 18596.8048062026. The cubic root of 345841149 is about 701.9274423592.

The spelling of 345841149 in words is "three hundred forty-five million, eight hundred forty-one thousand, one hundred forty-nine".

Divisors: 1 3 17 51 661 1983 10259 11237 30777 33711 174403 523209 6781199 20343597 115280383 345841149