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3252405 = 351321283
BaseRepresentation
bin1100011010000010110101
320010020110110
430122002311
51313034110
6153413233
736434142
oct14320265
96106413
103252405
111921642
12110a219
1389b500
146093c9
15443a20
hex31a0b5

3252405 has 24 divisors (see below), whose sum is σ = 5639328. Its totient is φ = 1599936.

The previous prime is 3252397. The next prime is 3252409. The reversal of 3252405 is 5042523.

It is not a de Polignac number, because 3252405 - 23 = 3252397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1894 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (234972).

Almost surely, 23252405 is an apocalyptic number.

It is an amenable number.

3252405 is a deficient number, since it is larger than the sum of its proper divisors (2386923).

3252405 is a wasteful number, since it uses less digits than its factorization.

3252405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3252405 is about 1803.4425413636. The cubic root of 3252405 is about 148.1613318630.

Adding to 3252405 its reverse (5042523), we get a palindrome (8294928).

The spelling of 3252405 in words is "three million, two hundred fifty-two thousand, four hundred five".

Divisors: 1 3 5 13 15 39 65 169 195 507 845 1283 2535 3849 6415 16679 19245 50037 83395 216827 250185 650481 1084135 3252405