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345542125 = 536145317
BaseRepresentation
bin10100100110001…
…000110111101101
3220002012100200111
4110212020313231
51201424322000
654142100021
711364026305
oct2446106755
9802170614
10345542125
1116805aa05
129787a611
13567850c6
1433c6a605
1520507cba
hex14988ded

345542125 has 16 divisors (see below), whose sum is σ = 438315696. Its totient is φ = 271896000.

The previous prime is 345542123. The next prime is 345542147. The reversal of 345542125 is 521245543.

It can be written as a sum of positive squares in 8 ways, for example, as 235837449 + 109704676 = 15357^2 + 10474^2 .

It is not a de Polignac number, because 345542125 - 21 = 345542123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345542123) 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, 15034 + ... + 30283.

It is an arithmetic number, because the mean of its divisors is an integer number (27394731).

Almost surely, 2345542125 is an apocalyptic number.

It is an amenable number.

345542125 is a deficient number, since it is larger than the sum of its proper divisors (92773571).

345542125 is an equidigital number, since it uses as much as digits as its factorization.

345542125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45393 (or 45383 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 345542125 is about 18588.7634069617. The cubic root of 345542125 is about 701.7250819456.

Adding to 345542125 its reverse (521245543), we get a palindrome (866787668).

The spelling of 345542125 in words is "three hundred forty-five million, five hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 61 125 305 1525 7625 45317 226585 1132925 2764337 5664625 13821685 69108425 345542125