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42341049 = 362412
BaseRepresentation
bin1010000110000…
…1001010111001
32221200011000000
42201201022321
541314403144
64111303213
71022615202
oct241411271
987604000
1042341049
112199a503
121221ab09
138a0629a
1458a25a9
153ab5769
hex28612b9

42341049 has 21 divisors (see below), whose sum is σ = 63747039. Its totient is φ = 28110240.

The previous prime is 42341041. The next prime is 42341053. The reversal of 42341049 is 94014324.

The square root of 42341049 is 6507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31843449 + 10497600 = 5643^2 + 3240^2 .

It is not a de Polignac number, because 42341049 - 23 = 42341041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42341041) by changing a digit.

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 20 ways as a sum of consecutive naturals, for example, 175569 + ... + 175809.

Almost surely, 242341049 is an apocalyptic number.

42341049 is the 6507-th square number.

42341049 is the 3254-th centered octagonal number.

It is an amenable number.

42341049 is a deficient number, since it is larger than the sum of its proper divisors (21405990).

42341049 is an frugal number, since it uses more digits than its factorization.

42341049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The cubic root of 42341049 is about 348.5409986025.

The spelling of 42341049 in words is "forty-two million, three hundred forty-one thousand, forty-nine".

Divisors: 1 3 9 27 81 241 243 723 729 2169 6507 19521 58081 58563 174243 175689 522729 1568187 4704561 14113683 42341049