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345202025 = 5271972583
BaseRepresentation
bin10100100100110…
…101110101101001
3220001120002011012
4110210311311221
51201332431100
654130513305
711361111620
oct2444656551
9801502135
10345202025
11167948433
1297735835
135669636c
1433bbc6b7
152048c135
hex14935d69

345202025 has 12 divisors (see below), whose sum is σ = 489200832. Its totient is φ = 236709840.

The previous prime is 345202021. The next prime is 345202031. The reversal of 345202025 is 520202543.

It is not a de Polignac number, because 345202025 - 22 = 345202021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345202021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986117 + ... + 986466.

It is an arithmetic number, because the mean of its divisors is an integer number (40766736).

Almost surely, 2345202025 is an apocalyptic number.

345202025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345202025 is a deficient number, since it is larger than the sum of its proper divisors (143998807).

345202025 is a wasteful number, since it uses less digits than its factorization.

345202025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972600 (or 1972595 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 345202025 is about 18579.6131552839. The cubic root of 345202025 is about 701.4947819569.

Adding to 345202025 its reverse (520202543), we get a palindrome (865404568).

The spelling of 345202025 in words is "three hundred forty-five million, two hundred two thousand, twenty-five".

Divisors: 1 5 7 25 35 175 1972583 9862915 13808081 49314575 69040405 345202025