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512072243 = 25712831553
BaseRepresentation
bin11110100001011…
…001101000110011
31022200112222001122
4132201121220303
52022042302433
6122451252455
715455353664
oct3641315063
91280488048
10512072243
11243062501
121235aa12b
1382120c37
144c01936b
152ee50198
hex1e859a33

512072243 has 8 divisors (see below), whose sum is σ = 514796688. Its totient is φ = 509353984.

The previous prime is 512072237. The next prime is 512072263. The reversal of 512072243 is 342270215.

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

It is a cyclic number.

It is not a de Polignac number, because 512072243 - 216 = 512006707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512072203) 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, 328955 + ... + 330507.

It is an arithmetic number, because the mean of its divisors is an integer number (64349586).

Almost surely, 2512072243 is an apocalyptic number.

512072243 is a deficient number, since it is larger than the sum of its proper divisors (2724445).

512072243 is a wasteful number, since it uses less digits than its factorization.

512072243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 512072243 is about 22629.0133015118. The cubic root of 512072243 is about 800.0376247929.

The spelling of 512072243 in words is "five hundred twelve million, seventy-two thousand, two hundred forty-three".

Divisors: 1 257 1283 1553 329731 399121 1992499 512072243