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8994145 = 53761797
BaseRepresentation
bin100010010011…
…110101100001
3121220221122111
4202103311201
54300303040
6520435321
7136306666
oct42236541
917827574
108994145
115093486
123018b41
131b2baa4
1412a1a6d
15bc9dea
hex893d61

8994145 has 16 divisors (see below), whose sum is σ = 11280528. Its totient is φ = 6877440.

The previous prime is 8994133. The next prime is 8994157. The reversal of 8994145 is 5414998.

It is an interprime number because it is at equal distance from previous prime (8994133) and next prime (8994157).

It can be written as a sum of positive squares in 8 ways, for example, as 208849 + 8785296 = 457^2 + 2964^2 .

It is not a de Polignac number, because 8994145 - 27 = 8994017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8994098 and 8994107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10887 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (705033).

Almost surely, 28994145 is an apocalyptic number.

It is an amenable number.

8994145 is a deficient number, since it is larger than the sum of its proper divisors (2286383).

8994145 is a wasteful number, since it uses less digits than its factorization.

8994145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 51840, while the sum is 40.

The square root of 8994145 is about 2999.0240079066. The cubic root of 8994145 is about 207.9632655172.

The spelling of 8994145 in words is "eight million, nine hundred ninety-four thousand, one hundred forty-five".

Divisors: 1 5 37 61 185 305 797 2257 3985 11285 29489 48617 147445 243085 1798829 8994145