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42842272 = 2511121711
BaseRepresentation
bin1010001101101…
…1100010100000
32222121121112211
42203123202200
541431423042
64130131504
71030103404
oct243334240
988547484
1042842272
1122202040
1212420b94
138b50475
145993104
153b64017
hex28db8a0

42842272 has 24 divisors (see below), whose sum is σ = 92014272. Its totient is φ = 19473600.

The previous prime is 42842269. The next prime is 42842291. The reversal of 42842272 is 27224824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60504 + ... + 61207.

It is an arithmetic number, because the mean of its divisors is an integer number (3833928).

Almost surely, 242842272 is an apocalyptic number.

It is an amenable number.

42842272 is an abundant number, since it is smaller than the sum of its proper divisors (49172000).

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

42842272 is a wasteful number, since it uses less digits than its factorization.

42842272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121732 (or 121724 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 42842272 is about 6545.4008280624. The cubic root of 42842272 is about 349.9109215483.

It can be divided in two parts, 4284 and 2272, that added together give a palindrome (6556).

The spelling of 42842272 in words is "forty-two million, eight hundred forty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 121711 243422 486844 973688 1338821 1947376 2677642 3894752 5355284 10710568 21421136 42842272