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53722743 = 343341357
BaseRepresentation
bin1100110011101…
…1111001110111
310202002101202020
43030323321313
5102223111433
65155244223
71221431034
oct314737167
9122071666
1053722743
1128363768
1215ba9673
13b18ca09
1471c638b
154ab2cb3
hex333be77

53722743 has 8 divisors (see below), whose sum is σ = 71797488. Its totient is φ = 35731584.

The previous prime is 53722729. The next prime is 53722763. The reversal of 53722743 is 34722735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53722743 - 26 = 53722679 is a prime.

It is a super-2 number, since 2×537227432 = 5772266230888098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53722723) 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, 19380 + ... + 21977.

It is an arithmetic number, because the mean of its divisors is an integer number (8974686).

Almost surely, 253722743 is an apocalyptic number.

53722743 is a deficient number, since it is larger than the sum of its proper divisors (18074745).

53722743 is a wasteful number, since it uses less digits than its factorization.

53722743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41793.

The product of its digits is 35280, while the sum is 33.

The square root of 53722743 is about 7329.5800016099. The cubic root of 53722743 is about 377.3283122031.

The spelling of 53722743 in words is "fifty-three million, seven hundred twenty-two thousand, seven hundred forty-three".

Divisors: 1 3 433 1299 41357 124071 17907581 53722743