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2650045 = 51731177
BaseRepresentation
bin1010000110111110111101
311222122011211
422012332331
51134300140
6132444421
731345036
oct12067675
94878154
102650045
111550022
12a79711
1371a298
144cda8d
153752ea
hex286fbd

2650045 has 8 divisors (see below), whose sum is σ = 3367224. Its totient is φ = 1995264.

The previous prime is 2650033. The next prime is 2650057. The reversal of 2650045 is 5400562.

2650045 = T206 + T207 + ... + T290.

It is an interprime number because it is at equal distance from previous prime (2650033) and next prime (2650057).

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 1779556 = 933^2 + 1334^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2650045 - 25 = 2650013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2649998 and 2650025.

It is a congruent number.

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, 15504 + ... + 15673.

It is an arithmetic number, because the mean of its divisors is an integer number (420903).

22650045 is an apocalyptic number.

It is an amenable number.

2650045 is a deficient number, since it is larger than the sum of its proper divisors (717179).

2650045 is a wasteful number, since it uses less digits than its factorization.

2650045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31199.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2650045 is about 1627.8958811914. The cubic root of 2650045 is about 138.3835336586.

The spelling of 2650045 in words is "two million, six hundred fifty thousand, forty-five".

Divisors: 1 5 17 85 31177 155885 530009 2650045