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1052487437 = 2648939733
BaseRepresentation
bin111110101110111…
…010111100001101
32201100102220100012
4332232322330031
54123414044222
6252234243005
735036665331
oct7656727415
92640386305
101052487437
114a0113431
12254586465
1313a086841
149dad17c1
15625ed1e2
hex3ebbaf0d

1052487437 has 4 divisors (see below), whose sum is σ = 1052553660. Its totient is φ = 1052421216.

The previous prime is 1052487431. The next prime is 1052487451. The reversal of 1052487437 is 7347842501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 666207721 + 386279716 = 25811^2 + 19654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052487437 - 24 = 1052487421 is a prime.

It is a super-2 number, since 2×10524874372 = 2215459610085657938, which contains 22 as substring.

It is a deceptive number, since it divides R1052487436.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052487394 and 1052487403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052487431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 46355.

It is an arithmetic number, because the mean of its divisors is an integer number (263138415).

Almost surely, 21052487437 is an apocalyptic number.

1052487437 is the 26489-th pentagonal number.

It is an amenable number.

1052487437 is a deficient number, since it is larger than the sum of its proper divisors (66223).

1052487437 is an equidigital number, since it uses as much as digits as its factorization.

1052487437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66222.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 1052487437 is about 32442.0627735044. The cubic root of 1052487437 is about 1017.1983339850.

The spelling of 1052487437 in words is "one billion, fifty-two million, four hundred eighty-seven thousand, four hundred thirty-seven".

Divisors: 1 26489 39733 1052487437