Search a number
-
+
900285131 = 18136713553
BaseRepresentation
bin110101101010010…
…100001011001011
32022202001020000202
4311222110023023
53320433111011
6225200122415
731211203664
oct6552241313
92282036022
10900285131
114222075a9
1221160640b
131146963c5
14877d236b
155408623b
hex35a942cb

900285131 has 8 divisors (see below), whose sum is σ = 907792704. Its totient is φ = 892805760.

The previous prime is 900285121. The next prime is 900285149. The reversal of 900285131 is 131582009.

900285131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-900285131 is a prime.

It is a super-2 number, since 2×9002851312 = 1621026634199374322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 900285094 and 900285103.

It is not an unprimeable number, because it can be changed into a prime (900285101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59651 + ... + 73203.

It is an arithmetic number, because the mean of its divisors is an integer number (113474088).

Almost surely, 2900285131 is an apocalyptic number.

900285131 is a deficient number, since it is larger than the sum of its proper divisors (7507573).

900285131 is a wasteful number, since it uses less digits than its factorization.

900285131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14101.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 900285131 is about 30004.7518070055. The cubic root of 900285131 is about 965.5913334527.

It can be divided in two parts, 90028 and 5131, that added together give a palindrome (95159).

The spelling of 900285131 in words is "nine hundred million, two hundred eighty-five thousand, one hundred thirty-one".

Divisors: 1 181 367 13553 66427 2453093 4973951 900285131