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513272712 = 233472931553
BaseRepresentation
bin11110100101111…
…110101110001000
31022202210221210110
4132211332232020
52022344211322
6122533114320
715501513621
oct3645765610
91282727713
10513272712
11243802427
12123a889a0
1382451484
144c24ca48
15300dac0c
hex1e97eb88

513272712 has 64 divisors (see below), whose sum is σ = 1315802880. Its totient is φ = 166771712.

The previous prime is 513272699. The next prime is 513272719. The reversal of 513272712 is 217272315.

It is a self number, because there is not a number n which added to its sum of digits gives 513272712.

It is not an unprimeable number, because it can be changed into a prime (513272719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329728 + ... + 331280.

It is an arithmetic number, because the mean of its divisors is an integer number (20559420).

Almost surely, 2513272712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513272712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657901440).

513272712 is an abundant number, since it is smaller than the sum of its proper divisors (802530168).

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

513272712 is a wasteful number, since it uses less digits than its factorization.

513272712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1898 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 513272712 is about 22655.5227703975. The cubic root of 513272712 is about 800.6623223434.

The spelling of 513272712 in words is "five hundred thirteen million, two hundred seventy-two thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 293 376 564 586 879 1128 1172 1553 1758 2344 3106 3516 4659 6212 7032 9318 12424 13771 18636 27542 37272 41313 55084 72991 82626 110168 145982 165252 218973 291964 330504 437946 455029 583928 875892 910058 1365087 1751784 1820116 2730174 3640232 5460348 10920696 21386363 42772726 64159089 85545452 128318178 171090904 256636356 513272712