Search a number
-
+
42092645 = 572352289
BaseRepresentation
bin1010000010010…
…0100001100101
32221012112020212
42200210201211
541233431040
64102105205
71020532040
oct240444145
987175225
1042092645
112183a911
121211b205
13894a1ba
145839c57
153a66d65
hex2824865

42092645 has 16 divisors (see below), whose sum is σ = 60238080. Its totient is φ = 27608064.

The previous prime is 42092641. The next prime is 42092647. The reversal of 42092645 is 54629024.

It is a cyclic number.

It is not a de Polignac number, because 42092645 - 22 = 42092641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42092641) 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, 25340 + ... + 26949.

It is an arithmetic number, because the mean of its divisors is an integer number (3764880).

Almost surely, 242092645 is an apocalyptic number.

It is an amenable number.

42092645 is a deficient number, since it is larger than the sum of its proper divisors (18145435).

42092645 is a wasteful number, since it uses less digits than its factorization.

42092645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 42092645 is about 6487.8844780098. The cubic root of 42092645 is about 347.8580613077.

The spelling of 42092645 in words is "forty-two million, ninety-two thousand, six hundred forty-five".

Divisors: 1 5 7 23 35 115 161 805 52289 261445 366023 1202647 1830115 6013235 8418529 42092645