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519130368 = 2832293769
BaseRepresentation
bin11110111100010…
…100110100000000
31100011211112222200
4132330110310000
52030344132433
6123302433200
715602351421
oct3674246400
91304745880
10519130368
11247043369
12125a32800
1383722743
144cd35648
1530896613
hex1ef14d00

519130368 has 108 divisors (see below), whose sum is σ = 1503842340. Its totient is φ = 172228608.

The previous prime is 519130361. The next prime is 519130373. The reversal of 519130368 is 863031915.

It is a happy number.

519130368 is a `hidden beast` number, since 519 + 130 + 3 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 370485504 + 148644864 = 19248^2 + 12192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519130361) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 674688 + ... + 675456.

Almost surely, 2519130368 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 519130368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751921170).

519130368 is an abundant number, since it is smaller than the sum of its proper divisors (984711972).

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

519130368 is a wasteful number, since it uses less digits than its factorization.

519130368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 519130368 is about 22784.4325801631. The cubic root of 519130368 is about 803.6966257215.

The spelling of 519130368 in words is "five hundred nineteen million, one hundred thirty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 293 384 576 586 768 769 879 1152 1172 1538 1758 2304 2307 2344 2637 3076 3516 4614 4688 5274 6152 6921 7032 9228 9376 10548 12304 13842 14064 18456 18752 21096 24608 27684 28128 36912 37504 42192 49216 55368 56256 73824 75008 84384 98432 110736 112512 147648 168768 196864 221472 225024 225317 295296 337536 442944 450634 590592 675072 675951 885888 901268 1351902 1771776 1802536 2027853 2703804 3605072 4055706 5407608 7210144 8111412 10815216 14420288 16222824 21630432 28840576 32445648 43260864 57681152 64891296 86521728 129782592 173043456 259565184 519130368