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9025141 = 43209887
BaseRepresentation
bin100010011011…
…011001110101
3121222112011111
4202123121311
54302301031
6521235021
7136466236
oct42333165
917875144
109025141
1151047a4
123032a71
131b3cc28
1412ad08d
15bd41b1
hex89b675

9025141 has 4 divisors (see below), whose sum is σ = 9235072. Its totient is φ = 8815212.

The previous prime is 9025139. The next prime is 9025157. The reversal of 9025141 is 1415209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1415209 = 2695261.

It is a cyclic number.

It is not a de Polignac number, because 9025141 - 21 = 9025139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9025111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104901 + ... + 104986.

It is an arithmetic number, because the mean of its divisors is an integer number (2308768).

Almost surely, 29025141 is an apocalyptic number.

It is an amenable number.

9025141 is a deficient number, since it is larger than the sum of its proper divisors (209931).

9025141 is a wasteful number, since it uses less digits than its factorization.

9025141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209930.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 9025141 is about 3004.1872444973. The cubic root of 9025141 is about 208.2018888536.

The spelling of 9025141 in words is "nine million, twenty-five thousand, one hundred forty-one".

Divisors: 1 43 209887 9025141