Search a number
-
+
252045039 = 3619135727
BaseRepresentation
bin11110000010111…
…10011011101111
3122120021012210110
433001132123233
51004010420124
641002111103
76150230121
oct1701363357
9576235713
10252045039
1111a300194
12704ab493
13402aa49c
142568d211
15171da029
hexf05e6ef

252045039 has 8 divisors (see below), whose sum is σ = 336605440. Its totient is φ = 167757336.

The previous prime is 252045011. The next prime is 252045113. The reversal of 252045039 is 930540252.

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

It is not a de Polignac number, because 252045039 - 225 = 218490607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252044997 and 252045015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252045139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66007 + ... + 69720.

It is an arithmetic number, because the mean of its divisors is an integer number (42075680).

Almost surely, 2252045039 is an apocalyptic number.

252045039 is a deficient number, since it is larger than the sum of its proper divisors (84560401).

252045039 is a wasteful number, since it uses less digits than its factorization.

252045039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136349.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 252045039 is about 15875.9263981665. The cubic root of 252045039 is about 631.6735874870.

The spelling of 252045039 in words is "two hundred fifty-two million, forty-five thousand, thirty-nine".

Divisors: 1 3 619 1857 135727 407181 84015013 252045039