Search a number
-
+
350561245 = 570112249
BaseRepresentation
bin10100111001010…
…010001111011101
3220102122100121211
4110321102033131
51204220424440
654441424421
711454502306
oct2471221735
9812570554
10350561245
1116a978941
129949b111
13578217b8
14347b57ad
1520b99eea
hex14e523dd

350561245 has 4 divisors (see below), whose sum is σ = 420673500. Its totient is φ = 280448992.

The previous prime is 350561243. The next prime is 350561279. The reversal of 350561245 is 542165053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542165053 = 2811929413.

It can be written as a sum of positive squares in 2 ways, for example, as 122279364 + 228281881 = 11058^2 + 15109^2 .

It is a cyclic number.

It is not a de Polignac number, because 350561245 - 21 = 350561243 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350561243) 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, 35056120 + ... + 35056129.

It is an arithmetic number, because the mean of its divisors is an integer number (105168375).

Almost surely, 2350561245 is an apocalyptic number.

It is an amenable number.

350561245 is a deficient number, since it is larger than the sum of its proper divisors (70112255).

350561245 is an equidigital number, since it uses as much as digits as its factorization.

350561245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70112254.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 350561245 is about 18723.2808289573. The cubic root of 350561245 is about 705.1063635775.

The spelling of 350561245 in words is "three hundred fifty million, five hundred sixty-one thousand, two hundred forty-five".

Divisors: 1 5 70112249 350561245