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53716620 = 2235895277
BaseRepresentation
bin1100110011101…
…0011010001100
310202002002100110
43030322122030
5102222412440
65155200020
71221404136
oct314723214
9122062313
1053716620
112835a101
1215ba6010
13b189ca9
1471c4056
154ab1080
hex333a68c

53716620 has 24 divisors (see below), whose sum is σ = 150406704. Its totient is φ = 14324416.

The previous prime is 53716571. The next prime is 53716627. The reversal of 53716620 is 2661735.

53716620 = 8282 + 8292 + ... + 8992.

53716620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53716627) 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, 447579 + ... + 447698.

It is an arithmetic number, because the mean of its divisors is an integer number (6266946).

Almost surely, 253716620 is an apocalyptic number.

It is an amenable number.

53716620 is an abundant number, since it is smaller than the sum of its proper divisors (96690084).

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

53716620 is a wasteful number, since it uses less digits than its factorization.

53716620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895289 (or 895287 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 53716620 is about 7329.1622986532. The cubic root of 53716620 is about 377.3139764432.

The spelling of 53716620 in words is "fifty-three million, seven hundred sixteen thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 895277 1790554 2685831 3581108 4476385 5371662 8952770 10743324 13429155 17905540 26858310 53716620