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252061 = 3147173
BaseRepresentation
bin111101100010011101
3110210202121
4331202131
531031221
65222541
72066605
oct754235
9423677
10252061
11162417
12101a51
138a964
1467c05
154ea41
hex3d89d

252061 has 8 divisors (see below), whose sum is σ = 267264. Its totient is φ = 237360.

The previous prime is 252037. The next prime is 252079. The reversal of 252061 is 160252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252061 - 25 = 252029 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 (252001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (33408).

2252061 is an apocalyptic number.

It is an amenable number.

252061 is a deficient number, since it is larger than the sum of its proper divisors (15203).

252061 is a wasteful number, since it uses less digits than its factorization.

252061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 252061 is about 502.0567696984. The cubic root of 252061 is about 63.1686920989.

Subtracting from 252061 its reverse (160252), we obtain a square (91809 = 3032).

The spelling of 252061 in words is "two hundred fifty-two thousand, sixty-one".

Divisors: 1 31 47 173 1457 5363 8131 252061