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512140047 = 3379450431
BaseRepresentation
bin11110100001101…
…010001100001111
31022200200102001220
4132201222030033
52022101440142
6122452534423
715456055446
oct3641521417
91280612056
10512140047
112430a9441
12123621413
1382145a63
144c035d5d
152ee652ec
hex1e86a30f

512140047 has 8 divisors (see below), whose sum is σ = 684656640. Its totient is φ = 340525080.

The previous prime is 512140039. The next prime is 512140099. The reversal of 512140047 is 740041215.

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

It is not a de Polignac number, because 512140047 - 23 = 512140039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512139999 and 512140026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512150047) 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, 224079 + ... + 226352.

It is an arithmetic number, because the mean of its divisors is an integer number (85582080).

Almost surely, 2512140047 is an apocalyptic number.

512140047 is a deficient number, since it is larger than the sum of its proper divisors (172516593).

512140047 is a wasteful number, since it uses less digits than its factorization.

512140047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450813.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 512140047 is about 22630.5114171112. The cubic root of 512140047 is about 800.0729344963.

The spelling of 512140047 in words is "five hundred twelve million, one hundred forty thousand, forty-seven".

Divisors: 1 3 379 1137 450431 1351293 170713349 512140047