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42727853 = 73432897
BaseRepresentation
bin1010001011111…
…1100110101101
32222101210121002
42202333212231
541414242403
64123450045
71026116000
oct242774655
988353532
1042727853
1122134083
1212386925
138b1036c
145963537
153b40188
hex28bf9ad

42727853 has 16 divisors (see below), whose sum is σ = 51004800. Its totient is φ = 35759808.

The previous prime is 42727847. The next prime is 42727879. The reversal of 42727853 is 35872724.

It is a de Polignac number, because none of the positive numbers 2k-42727853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42727823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13301 + ... + 16197.

It is an arithmetic number, because the mean of its divisors is an integer number (3187800).

Almost surely, 242727853 is an apocalyptic number.

42727853 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42727853 is a deficient number, since it is larger than the sum of its proper divisors (8276947).

42727853 is an equidigital number, since it uses as much as digits as its factorization.

42727853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961 (or 2947 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 42727853 is about 6536.6545724858. The cubic root of 42727853 is about 349.5991410670.

The spelling of 42727853 in words is "forty-two million, seven hundred twenty-seven thousand, eight hundred fifty-three".

Divisors: 1 7 43 49 301 343 2107 2897 14749 20279 124571 141953 871997 993671 6103979 42727853