Search a number
-
+
1252285 = 52111187
BaseRepresentation
bin100110001101110111101
32100121210221
410301232331
5310033120
642501341
713433656
oct4615675
92317727
101252285
11785951
12504851
1334acc8
1424852d
1519b0aa
hex131bbd

1252285 has 8 divisors (see below), whose sum is σ = 1511136. Its totient is φ = 996240.

The previous prime is 1252283. The next prime is 1252331. The reversal of 1252285 is 5822521.

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

It is not a de Polignac number, because 1252285 - 21 = 1252283 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252283) 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, 462 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (188892).

21252285 is an apocalyptic number.

It is an amenable number.

1252285 is a deficient number, since it is larger than the sum of its proper divisors (258851).

1252285 is a wasteful number, since it uses less digits than its factorization.

1252285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its digits is 1600, while the sum is 25.

The square root of 1252285 is about 1119.0554052414. The cubic root of 1252285 is about 107.7873329900.

The spelling of 1252285 in words is "one million, two hundred fifty-two thousand, two hundred eighty-five".

Divisors: 1 5 211 1055 1187 5935 250457 1252285