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BaseRepresentation
bin111100111001101…
…0011011010111001
312021102012011001211
41321303103122321
513141113221100
6534435043121
7101432252461
oct17163233271
95242164054
102043492025
11959552893
124904404a1
132674944a3
1415557aba1
15be6041ba
hex79cd36b9

2043492025 has 9 divisors (see below), whose sum is σ = 2534210413. Its totient is φ = 1634612800.

The previous prime is 2043492023. The next prime is 2043492037. The reversal of 2043492025 is 5202943402.

The square root of 2043492025 is 45205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 575376169 + 1468115856 = 23987^2 + 38316^2 .

It is not a de Polignac number, because 2043492025 - 21 = 2043492023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043492023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 221505 + ... + 230545.

Almost surely, 22043492025 is an apocalyptic number.

2043492025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2043492025 is the 45205-th square number.

2043492025 is the 22603-rd centered octagonal number.

It is an amenable number.

2043492025 is a deficient number, since it is larger than the sum of its proper divisors (490718388).

2043492025 is an frugal number, since it uses more digits than its factorization.

2043492025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The cubic root of 2043492025 is about 1268.9883909026.

The spelling of 2043492025 in words is "two billion, forty-three million, four hundred ninety-two thousand, twenty-five".