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1053057025 = 5242122281
BaseRepresentation
bin111110110001000…
…110000000000001
32201101111211200001
4332301012000001
54124040311100
6252254400001
735044560046
oct7661060001
92641454601
101053057025
114a0472369
12254800001
1313a225b87
149dbdd1cd
15626b1d6a
hex3ec46001

1053057025 has 6 divisors (see below), whose sum is σ = 1305790742. Its totient is φ = 842445600.

The previous prime is 1053057017. The next prime is 1053057107. The reversal of 1053057025 is 5207503501.

It can be written as a sum of positive squares in 3 ways, for example, as 82609921 + 970447104 = 9089^2 + 31152^2 .

It is not a de Polignac number, because 1053057025 - 23 = 1053057017 is a prime.

It is a super-2 number, since 2×10530570252 = 2217858195803701250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053056984 and 1053057002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21061116 + ... + 21061165.

Almost surely, 21053057025 is an apocalyptic number.

It is an amenable number.

1053057025 is a deficient number, since it is larger than the sum of its proper divisors (252733717).

1053057025 is an equidigital number, since it uses as much as digits as its factorization.

1053057025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42122291 (or 42122286 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 1053057025 is about 32450.8401277995. The cubic root of 1053057025 is about 1017.3817976091.

The spelling of 1053057025 in words is "one billion, fifty-three million, fifty-seven thousand, twenty-five".

Divisors: 1 5 25 42122281 210611405 1053057025