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252623 = 7151239
BaseRepresentation
bin111101101011001111
3110211112102
4331223033
531040443
65225315
72101340
oct755317
9424472
10252623
11162888
1210223b
138aca7
14680c7
154ecb8
hex3dacf

252623 has 8 divisors (see below), whose sum is σ = 291840. Its totient is φ = 214200.

The previous prime is 252617. The next prime is 252641. The reversal of 252623 is 326252.

It is a happy number.

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

It is not a de Polignac number, because 252623 - 24 = 252607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252595 and 252604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252223) 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, 938 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (36480).

2252623 is an apocalyptic number.

252623 is a deficient number, since it is larger than the sum of its proper divisors (39217).

252623 is a wasteful number, since it uses less digits than its factorization.

252623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 720, while the sum is 20.

The square root of 252623 is about 502.6161557292. The cubic root of 252623 is about 63.2156046230.

Adding to 252623 its reverse (326252), we get a palindrome (578875).

It can be divided in two parts, 2 and 52623, that added together give a palindrome (52625).

The spelling of 252623 in words is "two hundred fifty-two thousand, six hundred twenty-three".

Divisors: 1 7 151 239 1057 1673 36089 252623