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52570780 = 2252628539
BaseRepresentation
bin1100100010001…
…0101010011100
310122220212112221
43020202222130
5101424231110
65114435124
71205562403
oct310425234
9118825487
1052570780
1127747229
1215732aa4
13ab78592
146da663a
1549367da
hex3222a9c

52570780 has 12 divisors (see below), whose sum is σ = 110398680. Its totient is φ = 21028304.

The previous prime is 52570759. The next prime is 52570781. The reversal of 52570780 is 8707525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52570781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314250 + ... + 1314289.

It is an arithmetic number, because the mean of its divisors is an integer number (9199890).

Almost surely, 252570780 is an apocalyptic number.

It is an amenable number.

52570780 is an abundant number, since it is smaller than the sum of its proper divisors (57827900).

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

52570780 is a wasteful number, since it uses less digits than its factorization.

52570780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628548 (or 2628546 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 52570780 is about 7250.5710119962. The cubic root of 52570780 is about 374.6118175696.

The spelling of 52570780 in words is "fifty-two million, five hundred seventy thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2628539 5257078 10514156 13142695 26285390 52570780