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252025537 = 3743158407
BaseRepresentation
bin11110000010110…
…01101011000001
3122120020020001011
433001121223001
51004004304122
641001440521
76150116221
oct1701315301
9576206034
10252025537
1111a297575
12704a0141
13402a164a
1425686081
15171d4377
hexf059ac1

252025537 has 8 divisors (see below), whose sum is σ = 264858176. Its totient is φ = 239509872.

The previous prime is 252025517. The next prime is 252025583. The reversal of 252025537 is 735520252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252025537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252025499 and 252025508.

It is not an unprimeable number, because it can be changed into a prime (252025517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77613 + ... + 80794.

It is an arithmetic number, because the mean of its divisors is an integer number (33107272).

Almost surely, 2252025537 is an apocalyptic number.

It is an amenable number.

252025537 is a deficient number, since it is larger than the sum of its proper divisors (12832639).

252025537 is a wasteful number, since it uses less digits than its factorization.

252025537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158487.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 252025537 is about 15875.3121859068. The cubic root of 252025537 is about 631.6572951395.

Adding to 252025537 its reverse (735520252), we get a palindrome (987545789).

The spelling of 252025537 in words is "two hundred fifty-two million, twenty-five thousand, five hundred thirty-seven".

Divisors: 1 37 43 1591 158407 5861059 6811501 252025537