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52229680 = 245652871
BaseRepresentation
bin1100011100111…
…1011000110000
310122021112122121
43013033120300
5101332322210
65103244024
71202642056
oct307173060
9118245577
1052229680
1127533a28
12155a9614
13aa89249
146d181d6
1548ba6da
hex31cf630

52229680 has 20 divisors (see below), whose sum is σ = 121434192. Its totient is φ = 20891840.

The previous prime is 52229669. The next prime is 52229687. The reversal of 52229680 is 8692225.

52229680 is nontrivially palindromic in base 14.

52229680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (52229687) 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 3 ways as a sum of consecutive naturals, for example, 326356 + ... + 326515.

Almost surely, 252229680 is an apocalyptic number.

It is an amenable number.

52229680 is an abundant number, since it is smaller than the sum of its proper divisors (69204512).

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

52229680 is a wasteful number, since it uses less digits than its factorization.

52229680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652884 (or 652878 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 52229680 is about 7227.0104469276. The cubic root of 52229680 is about 373.7998490574.

The spelling of 52229680 in words is "fifty-two million, two hundred twenty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 652871 1305742 2611484 3264355 5222968 6528710 10445936 13057420 26114840 52229680