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20895002 = 2181197293
BaseRepresentation
bin100111110110…
…1010100011010
31110022120112222
41033231110122
520322120002
62023504042
7342414242
oct117552432
943276488
1020895002
11108817a7
126bb8022
13443790b
142abcb22
151c7b1a2
hex13ed51a

20895002 has 16 divisors (see below), whose sum is σ = 31783752. Its totient is φ = 10301760.

The previous prime is 20894983. The next prime is 20895013. The reversal of 20895002 is 20059802.

It can be written as a sum of positive squares in 4 ways, for example, as 20511841 + 383161 = 4529^2 + 619^2 .

It is a super-2 number, since 2×208950022 = 873202217160008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71168 + ... + 71460.

Almost surely, 220895002 is an apocalyptic number.

20895002 is a deficient number, since it is larger than the sum of its proper divisors (10888750).

20895002 is a wasteful number, since it uses less digits than its factorization.

20895002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 20895002 is about 4571.1051180212. The cubic root of 20895002 is about 275.4318372261.

The spelling of 20895002 in words is "twenty million, eight hundred ninety-five thousand, two".

Divisors: 1 2 181 197 293 362 394 586 35657 53033 57721 71314 106066 115442 10447501 20895002