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2505220433 = 19162781041
BaseRepresentation
bin1001010101010010…
…1010000101010001
320110121000101100222
42111110222011101
520112314023213
61052331322425
7116040010442
oct22524520521
96417011328
102505220433
11107614a211
1259abb0415
1330c039671
1419aa0d2c9
15e9e0c808
hex9552a151

2505220433 has 8 divisors (see below), whose sum is σ = 2638727520. Its totient is φ = 2371878720.

The previous prime is 2505220423. The next prime is 2505220489. The reversal of 2505220433 is 3340225052.

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 2505220433 - 26 = 2505220369 is a prime.

It is a super-2 number, since 2×25052204332 = 12552258835841414978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9608 + ... + 71433.

It is an arithmetic number, because the mean of its divisors is an integer number (329840940).

Almost surely, 22505220433 is an apocalyptic number.

It is an amenable number.

2505220433 is a deficient number, since it is larger than the sum of its proper divisors (133507087).

2505220433 is a wasteful number, since it uses less digits than its factorization.

2505220433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82687.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 2505220433 is about 50052.1771054966. The cubic root of 2505220433 is about 1358.1528471833.

Adding to 2505220433 its reverse (3340225052), we get a palindrome (5845445485).

The spelling of 2505220433 in words is "two billion, five hundred five million, two hundred twenty thousand, four hundred thirty-three".

Divisors: 1 19 1627 30913 81041 1539779 131853707 2505220433