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345242025 = 32524732647
BaseRepresentation
bin10100100100111…
…111100110101001
3220001122010000200
4110210333212221
51201340221100
654131422413
711361336342
oct2444774651
9801563020
10345242025
11167975497
1297754a09
13566ab62b
1433bcd0c9
1520498e00
hex1493f9a9

345242025 has 36 divisors (see below), whose sum is σ = 631542912. Its totient is φ = 180205920.

The previous prime is 345242011. The next prime is 345242057. The reversal of 345242025 is 520242543.

It is a happy number.

345242025 is a `hidden beast` number, since 3 + 452 + 4 + 202 + 5 = 666.

It is not a de Polignac number, because 345242025 - 25 = 345241993 is a prime.

It is a super-2 number, since 2×3452420252 = 238384111652201250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345242025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5749 + ... + 26898.

Almost surely, 2345242025 is an apocalyptic number.

It is an amenable number.

345242025 is a deficient number, since it is larger than the sum of its proper divisors (286300887).

345242025 is a wasteful number, since it uses less digits than its factorization.

345242025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32710 (or 32702 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 345242025 is about 18580.6895727796. The cubic root of 345242025 is about 701.5218759535.

Adding to 345242025 its reverse (520242543), we get a palindrome (865484568).

The spelling of 345242025 in words is "three hundred forty-five million, two hundred forty-two thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 47 75 141 225 235 423 705 1175 2115 3525 10575 32647 97941 163235 293823 489705 816175 1469115 1534409 2448525 4603227 7345575 7672045 13809681 23016135 38360225 69048405 115080675 345242025