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9025769 = 13168899
BaseRepresentation
bin100010011011…
…100011101001
3121222120000202
4202123203221
54302311034
6521241545
7136501124
oct42334351
917876022
109025769
115105215
1230332b5
131b402bc
1412ad3bb
15bd447e
hex89b8e9

9025769 has 4 divisors (see below), whose sum is σ = 9094800. Its totient is φ = 8956740.

The previous prime is 9025727. The next prime is 9025777. The reversal of 9025769 is 9675209.

9025769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 9675209 = 79122471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9025769 is a prime.

It is a super-2 number, since 2×90257692 = 162929012082722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9025789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34319 + ... + 34580.

It is an arithmetic number, because the mean of its divisors is an integer number (2273700).

Almost surely, 29025769 is an apocalyptic number.

It is an amenable number.

9025769 is a deficient number, since it is larger than the sum of its proper divisors (69031).

9025769 is a wasteful number, since it uses less digits than its factorization.

9025769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69030.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 9025769 is about 3004.2917634611. The cubic root of 9025769 is about 208.2067178734.

The spelling of 9025769 in words is "nine million, twenty-five thousand, seven hundred sixty-nine".

Divisors: 1 131 68899 9025769