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512108070 = 23543396983
BaseRepresentation
bin11110100001100…
…010011000100110
31022200121210012120
4132201202120212
52022044424240
6122452130410
715455563305
oct3641423046
91280553176
10512108070
11243087411
12123606a06
1382134336
144c02843c
152ee5aad0
hex1e862626

512108070 has 32 divisors (see below), whose sum is σ = 1257645312. Its totient is φ = 133385952.

The previous prime is 512108057. The next prime is 512108089. The reversal of 512108070 is 70801215.

It is a self number, because there is not a number n which added to its sum of digits gives 512108070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197202 + ... + 199781.

It is an arithmetic number, because the mean of its divisors is an integer number (39301416).

Almost surely, 2512108070 is an apocalyptic number.

512108070 is an abundant number, since it is smaller than the sum of its proper divisors (745537242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512108070 is a wasteful number, since it uses less digits than its factorization.

512108070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397036.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 512108070 is about 22629.8049041524. The cubic root of 512108070 is about 800.0562824986.

Adding to 512108070 its reverse (70801215), we get a palindrome (582909285).

The spelling of 512108070 in words is "five hundred twelve million, one hundred eight thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 396983 793966 1190949 1984915 2381898 3969830 5954745 11909490 17070269 34140538 51210807 85351345 102421614 170702690 256054035 512108070