Search a number
-
+
42680265 = 353677753
BaseRepresentation
bin1010001011001…
…1111111001001
32222022101022120
42202303333021
541411232030
64122441453
71025530155
oct242637711
988271276
1042680265
1122101351
1212363289
138ac47c4
145950065
153b31010
hex28b3fc9

42680265 has 16 divisors (see below), whose sum is σ = 68483328. Its totient is φ = 22697856.

The previous prime is 42680263. The next prime is 42680299. The reversal of 42680265 is 56208624.

It is not a de Polignac number, because 42680265 - 21 = 42680263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42680263) 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, 1629 + ... + 9381.

It is an arithmetic number, because the mean of its divisors is an integer number (4280208).

Almost surely, 242680265 is an apocalyptic number.

It is an amenable number.

42680265 is a deficient number, since it is larger than the sum of its proper divisors (25803063).

42680265 is a wasteful number, since it uses less digits than its factorization.

42680265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42680265 is about 6533.0134700611. The cubic root of 42680265 is about 349.4693045713.

Adding to 42680265 its reverse (56208624), we get a palindrome (98888889).

The spelling of 42680265 in words is "forty-two million, six hundred eighty thousand, two hundred sixty-five".

Divisors: 1 3 5 15 367 1101 1835 5505 7753 23259 38765 116295 2845351 8536053 14226755 42680265