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512102042 = 2353725357
BaseRepresentation
bin11110100001100…
…000111010011010
31022200121110221022
4132201200322122
52022044231132
6122452042442
715455536604
oct3641407232
91280543838
10512102042
11243082931
12123603422
138213167a
144c026174
152ee58e12
hex1e860e9a

512102042 has 8 divisors (see below), whose sum is σ = 770330196. Its totient is φ = 255325312.

The previous prime is 512102029. The next prime is 512102111. The reversal of 512102042 is 240201215.

It can be written as a sum of positive squares in 2 ways, for example, as 465739561 + 46362481 = 21581^2 + 6809^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 512102042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361973 + ... + 363384.

Almost surely, 2512102042 is an apocalyptic number.

512102042 is a deficient number, since it is larger than the sum of its proper divisors (258228154).

512102042 is a wasteful number, since it uses less digits than its factorization.

512102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725712.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 512102042 is about 22629.6717165760. The cubic root of 512102042 is about 800.0531433447.

Adding to 512102042 its reverse (240201215), we get a palindrome (752303257).

The spelling of 512102042 in words is "five hundred twelve million, one hundred two thousand, forty-two".

Divisors: 1 2 353 706 725357 1450714 256051021 512102042