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1052423225 = 5272859121
BaseRepresentation
bin111110101110101…
…011010000111001
32201100022122020222
4332232223100321
54123410020400
6252233025425
735036310200
oct7656532071
92640278228
101052423225
114a007a167
12254555275
1313a063549
149dab6237
15625d9185
hex3ebab439

1052423225 has 18 divisors (see below), whose sum is σ = 1518068574. Its totient is φ = 721660800.

The previous prime is 1052423191. The next prime is 1052423249. The reversal of 1052423225 is 5223242501.

It can be written as a sum of positive squares in 3 ways, for example, as 8357881 + 1044065344 = 2891^2 + 32312^2 .

It is not a de Polignac number, because 1052423225 - 224 = 1035646009 is a prime.

It is a super-3 number, since 3×10524232253 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052423194 and 1052423203.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 428336 + ... + 430785.

It is an arithmetic number, because the mean of its divisors is an integer number (84337143).

Almost surely, 21052423225 is an apocalyptic number.

It is an amenable number.

1052423225 is a deficient number, since it is larger than the sum of its proper divisors (465645349).

1052423225 is an equidigital number, since it uses as much as digits as its factorization.

1052423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859145 (or 859133 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1052423225 is about 32441.0731172691. The cubic root of 1052423225 is about 1017.1776472241.

Adding to 1052423225 its reverse (5223242501), we get a palindrome (6275665726).

The spelling of 1052423225 in words is "one billion, fifty-two million, four hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 859121 4295605 6013847 21478025 30069235 42096929 150346175 210484645 1052423225