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2500420333 = 171972812657
BaseRepresentation
bin1001010100001001…
…0110001011101101
320110020222111212111
42111002112023231
520110101422313
61052040404021
7115651136125
oct22502261355
96406874774
102500420333
111073470894
12599476611
1330b048878
1419a11dc85
15e97b043d
hex950962ed

2500420333 has 16 divisors (see below), whose sum is σ = 2671417584. Its totient is φ = 2332180480.

The previous prime is 2500420331. The next prime is 2500420343. The reversal of 2500420333 is 3330240052.

It can be written as a sum of positive squares in 8 ways, for example, as 882208804 + 1618211529 = 29702^2 + 40227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500420333 - 21 = 2500420331 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 (2500420331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939741 + ... + 942397.

It is an arithmetic number, because the mean of its divisors is an integer number (166963599).

Almost surely, 22500420333 is an apocalyptic number.

It is an amenable number.

2500420333 is a deficient number, since it is larger than the sum of its proper divisors (170997251).

2500420333 is a wasteful number, since it uses less digits than its factorization.

2500420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 2500420333 is about 50004.2031533350. The cubic root of 2500420333 is about 1357.2848679882.

Adding to 2500420333 its reverse (3330240052), we get a palindrome (5830660385).

The spelling of 2500420333 in words is "two billion, five hundred million, four hundred twenty thousand, three hundred thirty-three".

Divisors: 1 17 197 281 2657 3349 4777 45169 55357 523429 746617 941069 8898293 12692489 147083549 2500420333