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252969 = 3374353
BaseRepresentation
bin111101110000101001
3110212000020
4331300221
531043334
65231053
72102343
oct756051
9425006
10252969
11163072
12102489
138b1b2
1468293
154ee49
hex3dc29

252969 has 16 divisors (see below), whose sum is σ = 361152. Its totient is φ = 157248.

The previous prime is 252949. The next prime is 252971. The reversal of 252969 is 969252.

252969 = T70 + T71 + ... + T122.

It is not a de Polignac number, because 252969 - 25 = 252937 is a prime.

It is a super-2 number, since 2×2529692 = 127986629922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4747 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (22572).

2252969 is an apocalyptic number.

It is an amenable number.

252969 is a deficient number, since it is larger than the sum of its proper divisors (108183).

252969 is a wasteful number, since it uses less digits than its factorization.

252969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136.

The product of its digits is 9720, while the sum is 33.

The square root of 252969 is about 502.9602369969. The cubic root of 252969 is about 63.2444521164.

Adding to 252969 its reverse (969252), we get a palindrome (1222221).

It can be divided in two parts, 252 and 969, that added together give a palindrome (1221).

The spelling of 252969 in words is "two hundred fifty-two thousand, nine hundred sixty-nine".

Divisors: 1 3 37 43 53 111 129 159 1591 1961 2279 4773 5883 6837 84323 252969