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1054189025 = 5242167561
BaseRepresentation
bin111110110101011…
…010010111100001
32201110122100110222
4332311122113201
54124333022100
6252334532425
735060313251
oct7665322741
92643570428
101054189025
114a10758aa
12255067115
1313a5311b6
14a0015961
1562837485
hex3ed5a5e1

1054189025 has 6 divisors (see below), whose sum is σ = 1307194422. Its totient is φ = 843351200.

The previous prime is 1054189001. The next prime is 1054189039. The reversal of 1054189025 is 5209814501.

It can be written as a sum of positive squares in 3 ways, for example, as 277729 + 1053911296 = 527^2 + 32464^2 .

It is not a de Polignac number, because 1054189025 - 220 = 1053140449 is a prime.

It is a super-2 number, since 2×10541890252 = 2222629000860901250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21083756 + ... + 21083805.

It is an arithmetic number, because the mean of its divisors is an integer number (217865737).

Almost surely, 21054189025 is an apocalyptic number.

It is an amenable number.

1054189025 is a deficient number, since it is larger than the sum of its proper divisors (253005397).

1054189025 is an equidigital number, since it uses as much as digits as its factorization.

1054189025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42167571 (or 42167566 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1054189025 is about 32468.2772102248. The cubic root of 1054189025 is about 1017.7462171809.

The spelling of 1054189025 in words is "one billion, fifty-four million, one hundred eighty-nine thousand, twenty-five".

Divisors: 1 5 25 42167561 210837805 1054189025