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53388762 = 2371271161
BaseRepresentation
bin1100101110101…
…0010111011010
310201110102121120
43023222113122
5102131420022
65144150110
71215540240
oct313522732
9121412546
1053388762
1128155849
1215a68336
13b0a39ab
14713a790
154a48d5c
hex32ea5da

53388762 has 16 divisors (see below), whose sum is σ = 122031552. Its totient is φ = 15253920.

The previous prime is 53388761. The next prime is 53388787. The reversal of 53388762 is 26788335.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1271161 = 53388762 / (5 + 3 + 3 + 8 + 8 + 7 + 6 + 2).

It is not an unprimeable number, because it can be changed into a prime (53388761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635539 + ... + 635622.

It is an arithmetic number, because the mean of its divisors is an integer number (7626972).

Almost surely, 253388762 is an apocalyptic number.

53388762 is an abundant number, since it is smaller than the sum of its proper divisors (68642790).

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

53388762 is a wasteful number, since it uses less digits than its factorization.

53388762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271173.

The product of its digits is 241920, while the sum is 42.

The square root of 53388762 is about 7306.7613892887. The cubic root of 53388762 is about 376.5447673347.

The spelling of 53388762 in words is "fifty-three million, three hundred eighty-eight thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 42 1271161 2542322 3813483 7626966 8898127 17796254 26694381 53388762