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252552589 = 947266687
BaseRepresentation
bin11110000110110…
…10010110001101
3122121020000000121
433003122112031
51004123140324
641021024541
76154442632
oct1703322615
9577200017
10252552589
1111a617553
12706b5151
1340427503
1425782189
151728a5e4
hexf0da58d

252552589 has 4 divisors (see below), whose sum is σ = 252820224. Its totient is φ = 252284956.

The previous prime is 252552569. The next prime is 252552613. The reversal of 252552589 is 985255252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252552589 - 215 = 252519821 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 (252552529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132397 + ... + 134290.

It is an arithmetic number, because the mean of its divisors is an integer number (63205056).

Almost surely, 2252552589 is an apocalyptic number.

It is an amenable number.

252552589 is a deficient number, since it is larger than the sum of its proper divisors (267635).

252552589 is an equidigital number, since it uses as much as digits as its factorization.

252552589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267634.

The product of its digits is 360000, while the sum is 43.

The square root of 252552589 is about 15891.9032529147. The cubic root of 252552589 is about 632.0973093301.

The spelling of 252552589 in words is "two hundred fifty-two million, five hundred fifty-two thousand, five hundred eighty-nine".

Divisors: 1 947 266687 252552589