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520201332 = 22337688097
BaseRepresentation
bin11111000000011…
…010010001110100
31100020211222002000
4133000122101310
52031132420312
6123341415300
715614431650
oct3700322164
91306758060
10520201332
11247704a62
1212626a530
1383a09051
144d133a60
1530a08adc
hex1f01a474

520201332 has 48 divisors (see below), whose sum is σ = 1541339520. Its totient is φ = 148628736.

The previous prime is 520201321. The next prime is 520201337. The reversal of 520201332 is 233102025.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520201337) 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 15 ways as a sum of consecutive naturals, for example, 343293 + ... + 344804.

It is an arithmetic number, because the mean of its divisors is an integer number (32111240).

Almost surely, 2520201332 is an apocalyptic number.

It is an amenable number.

520201332 is an abundant number, since it is smaller than the sum of its proper divisors (1021138188).

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

520201332 is a wasteful number, since it uses less digits than its factorization.

520201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688117 (or 688109 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 520201332 is about 22807.9225708963. The cubic root of 520201332 is about 804.2489204752.

Adding to 520201332 its reverse (233102025), we get a palindrome (753303357).

The spelling of 520201332 in words is "five hundred twenty million, two hundred one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 688097 1376194 2064291 2752388 4128582 4816679 6192873 8257164 9633358 12385746 14450037 18578619 19266716 24771492 28900074 37157238 43350111 57800148 74314476 86700222 130050333 173400444 260100666 520201332