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2052531 = 321353331
BaseRepresentation
bin111110101000110110011
310212021112200
413311012303
51011140111
6111554243
723306025
oct7650663
93767480
102052531
111182108
1282b983
1356b320
143b6015
152a8256
hex1f51b3

2052531 has 24 divisors (see below), whose sum is σ = 3262896. Its totient is φ = 1235520.

The previous prime is 2052521. The next prime is 2052553. The reversal of 2052531 is 1352502.

It is a happy number.

It is not a de Polignac number, because 2052531 - 210 = 2051507 is a prime.

It is a super-2 number, since 2×20525312 = 8425767011922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2052511) 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 23 ways as a sum of consecutive naturals, for example, 6036 + ... + 6366.

It is an arithmetic number, because the mean of its divisors is an integer number (135954).

22052531 is an apocalyptic number.

2052531 is a deficient number, since it is larger than the sum of its proper divisors (1210365).

2052531 is a wasteful number, since it uses less digits than its factorization.

2052531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2052531 is about 1432.6656972232. The cubic root of 2052531 is about 127.0856677047.

The spelling of 2052531 in words is "two million, fifty-two thousand, five hundred thirty-one".

Divisors: 1 3 9 13 39 53 117 159 331 477 689 993 2067 2979 4303 6201 12909 17543 38727 52629 157887 228059 684177 2052531