[go: up one dir, main page]

Search a number
-
+
345345471 = 3335113643
BaseRepresentation
bin10100100101011…
…000110110111111
3220001211100221000
4110211120312333
51201402023341
654133541343
711362250052
oct2445306677
9801740830
10345345471
11167a36189
12977a4853
1356716743
1433c18a99
15204b98b6
hex14958dbf

345345471 has 16 divisors (see below), whose sum is σ = 511909120. Its totient is φ = 230101560.

The previous prime is 345345449. The next prime is 345345493. The reversal of 345345471 is 174543543.

345345471 is a `hidden beast` number, since 3 + 4 + 534 + 54 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (345345449) and next prime (345345493).

It is not a de Polignac number, because 345345471 - 217 = 345214399 is a prime.

It is a super-3 number, since 3×3453454713 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345345401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92976 + ... + 96618.

It is an arithmetic number, because the mean of its divisors is an integer number (31994320).

Almost surely, 2345345471 is an apocalyptic number.

345345471 is a deficient number, since it is larger than the sum of its proper divisors (166563649).

345345471 is a wasteful number, since it uses less digits than its factorization.

345345471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163 (or 7157 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 345345471 is about 18583.4730607602. The cubic root of 345345471 is about 701.5919353899.

The spelling of 345345471 in words is "three hundred forty-five million, three hundred forty-five thousand, four hundred seventy-one".

Divisors: 1 3 9 27 3511 3643 10533 10929 31599 32787 94797 98361 12790573 38371719 115115157 345345471