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520127412 = 2237291491433
BaseRepresentation
bin11111000000001…
…000001110110100
31100020201012200020
4133000020032310
52031123034122
6123340045140
715614003310
oct3700101664
91306635606
10520127412
11247664472
121262337b0
13839b14cc
144d114b40
15309e1c5c
hex1f0083b4

520127412 has 96 divisors (see below), whose sum is σ = 1445472000. Its totient is φ = 142420992.

The previous prime is 520127401. The next prime is 520127417. The reversal of 520127412 is 214721025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520127417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362248 + ... + 363680.

It is an arithmetic number, because the mean of its divisors is an integer number (15057000).

Almost surely, 2520127412 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 520127412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722736000).

520127412 is an abundant number, since it is smaller than the sum of its proper divisors (925344588).

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

520127412 is a wasteful number, since it uses less digits than its factorization.

520127412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1623 counting only the distinct ones).

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

The square root of 520127412 is about 22806.3020237828. The cubic root of 520127412 is about 804.2108243941.

Adding to 520127412 its reverse (214721025), we get a palindrome (734848437).

The spelling of 520127412 in words is "five hundred twenty million, one hundred twenty-seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 149 174 203 298 348 406 447 596 609 812 894 1043 1218 1433 1788 2086 2436 2866 3129 4172 4299 4321 5732 6258 8598 8642 10031 12516 12963 17196 17284 20062 25926 30093 30247 40124 41557 51852 60186 60494 83114 90741 120372 120988 124671 166228 181482 213517 249342 290899 362964 427034 498684 581798 640551 854068 872697 1163596 1281102 1494619 1745394 2562204 2989238 3490788 4483857 5978476 6191993 8967714 12383986 17935428 18575979 24767972 37151958 43343951 74303916 86687902 130031853 173375804 260063706 520127412