Search a number
-
+
505030245 = 35109308887
BaseRepresentation
bin11110000110100…
…010011001100101
31022012022012020220
4132012202121211
52013241431440
6122040314553
715341454246
oct3606423145
91265265226
10505030245
1123a092775
12121172a59
1380826885
144b104ccd
152e50d8d0
hex1e1a2665

505030245 has 16 divisors (see below), whose sum is σ = 815464320. Its totient is φ = 266877504.

The previous prime is 505030223. The next prime is 505030249. The reversal of 505030245 is 542030505.

505030245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 505030245 - 27 = 505030117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505030249) 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, 152809 + ... + 156078.

It is an arithmetic number, because the mean of its divisors is an integer number (50966520).

Almost surely, 2505030245 is an apocalyptic number.

It is an amenable number.

505030245 is a deficient number, since it is larger than the sum of its proper divisors (310434075).

505030245 is a wasteful number, since it uses less digits than its factorization.

505030245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309004.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 505030245 is about 22472.8779865864. The cubic root of 505030245 is about 796.3533217001.

The spelling of 505030245 in words is "five hundred five million, thirty thousand, two hundred forty-five".

Divisors: 1 3 5 15 109 327 545 1635 308887 926661 1544435 4633305 33668683 101006049 168343415 505030245