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252350045 = 550470009
BaseRepresentation
bin11110000101010…
…00111001011101
3122120211201011222
433002220321131
51004100200140
641012423125
76152640263
oct1702507135
9576751158
10252350045
1111a499362
1270617aa5
134038626c
142572c433
151724a5b5
hexf0a8e5d

252350045 has 4 divisors (see below), whose sum is σ = 302820060. Its totient is φ = 201880032.

The previous prime is 252350041. The next prime is 252350071. The reversal of 252350045 is 540053252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45738169 + 206611876 = 6763^2 + 14374^2 .

It is a cyclic number.

It is not a de Polignac number, because 252350045 - 22 = 252350041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252349996 and 252350023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252350041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25235000 + ... + 25235009.

It is an arithmetic number, because the mean of its divisors is an integer number (75705015).

Almost surely, 2252350045 is an apocalyptic number.

It is an amenable number.

252350045 is a deficient number, since it is larger than the sum of its proper divisors (50470015).

252350045 is an equidigital number, since it uses as much as digits as its factorization.

252350045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50470014.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252350045 is about 15885.5294214578. The cubic root of 252350045 is about 631.9282861065.

The spelling of 252350045 in words is "two hundred fifty-two million, three hundred fifty thousand, forty-five".

Divisors: 1 5 50470009 252350045