Search a number
-
+
90046925 = 523601877
BaseRepresentation
bin1010101111000…
…00000111001101
320021102212011022
411113200013031
5141023000200
612534003525
72142246323
oct527400715
9207385138
1090046925
1146913651
12261a65a5
131586a407
14bd5dd13
157d8a885
hex55e01cd

90046925 has 6 divisors (see below), whose sum is σ = 111658218. Its totient is φ = 72037520.

The previous prime is 90046897. The next prime is 90046939. The reversal of 90046925 is 52964009.

It can be written as a sum of positive squares in 3 ways, for example, as 27019204 + 63027721 = 5198^2 + 7939^2 .

It is a de Polignac number, because none of the positive numbers 2k-90046925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1800914 + ... + 1800963.

It is an arithmetic number, because the mean of its divisors is an integer number (18609703).

Almost surely, 290046925 is an apocalyptic number.

It is an amenable number.

90046925 is a deficient number, since it is larger than the sum of its proper divisors (21611293).

90046925 is a wasteful number, since it uses less digits than its factorization.

90046925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601887 (or 3601882 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 90046925 is about 9489.3058228724. The cubic root of 90046925 is about 448.2183462782.

The spelling of 90046925 in words is "ninety million, forty-six thousand, nine hundred twenty-five".

Divisors: 1 5 25 3601877 18009385 90046925