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53726742 = 23213721787
BaseRepresentation
bin1100110011110…
…0111000010110
310202002121020100
43030330320112
5102223223432
65155314530
71221445506
oct314747026
9122077210
1053726742
1128366773
1215baba46
13b191794
1471c7a06
154ab407c
hex333ce16

53726742 has 24 divisors (see below), whose sum is σ = 117263016. Its totient is φ = 17777376.

The previous prime is 53726723. The next prime is 53726747. The reversal of 53726742 is 24762735.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53726697 and 53726706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53726747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8428 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (4885959).

Almost surely, 253726742 is an apocalyptic number.

53726742 is an abundant number, since it is smaller than the sum of its proper divisors (63536274).

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

53726742 is a wasteful number, since it uses less digits than its factorization.

53726742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21932 (or 21929 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 53726742 is about 7329.8527952477. The cubic root of 53726742 is about 377.3376744608.

The spelling of 53726742 in words is "fifty-three million, seven hundred twenty-six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 137 274 411 822 1233 2466 21787 43574 65361 130722 196083 392166 2984819 5969638 8954457 17908914 26863371 53726742