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505752620 = 225107236333
BaseRepresentation
bin11110001001010…
…010110000101100
31022020122220011112
4132021102300230
52013433040440
6122104011152
715350553302
oct3611226054
91266586145
10505752620
1123a53647a
12121460ab8
1380a1a609
144b252272
152e602965
hex1e252c2c

505752620 has 24 divisors (see below), whose sum is σ = 1072011024. Its totient is φ = 200409536.

The previous prime is 505752619. The next prime is 505752623. The reversal of 505752620 is 26257505.

It is not an unprimeable number, because it can be changed into a prime (505752623) 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 7 ways as a sum of consecutive naturals, for example, 116027 + ... + 120306.

It is an arithmetic number, because the mean of its divisors is an integer number (44667126).

Almost surely, 2505752620 is an apocalyptic number.

It is an amenable number.

505752620 is an abundant number, since it is smaller than the sum of its proper divisors (566258404).

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

505752620 is a wasteful number, since it uses less digits than its factorization.

505752620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236449 (or 236447 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 505752620 is about 22488.9443949688. The cubic root of 505752620 is about 796.7328314260.

The spelling of 505752620 in words is "five hundred five million, seven hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 236333 472666 945332 1181665 2363330 4726660 25287631 50575262 101150524 126438155 252876310 505752620