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2036421025 = 52113720857
BaseRepresentation
bin111100101100001…
…0101000110100001
312020220212220110221
41321120111012201
513132310433100
6534023323041
7101315202352
oct17130250641
95226786427
102036421025
11955563291
12489bb0481
13265b89b72
14154659d29
15bdba901a
hex796151a1

2036421025 has 12 divisors (see below), whose sum is σ = 2547512172. Its totient is φ = 1614717440.

The previous prime is 2036421017. The next prime is 2036421043. The reversal of 2036421025 is 5201246302.

It can be written as a sum of positive squares in 6 ways, for example, as 972878481 + 1063542544 = 31191^2 + 32612^2 .

It is not a de Polignac number, because 2036421025 - 23 = 2036421017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357604 + ... + 363253.

It is an arithmetic number, because the mean of its divisors is an integer number (212292681).

Almost surely, 22036421025 is an apocalyptic number.

2036421025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2036421025 is a deficient number, since it is larger than the sum of its proper divisors (511091147).

2036421025 is a wasteful number, since it uses less digits than its factorization.

2036421025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720980 (or 720975 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2036421025 is about 45126.7218508059. The cubic root of 2036421025 is about 1267.5230256714.

Adding to 2036421025 its reverse (5201246302), we get a palindrome (7237667327).

The spelling of 2036421025 in words is "two billion, thirty-six million, four hundred twenty-one thousand, twenty-five".

Divisors: 1 5 25 113 565 2825 720857 3604285 18021425 81456841 407284205 2036421025