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1052545 = 51316193
BaseRepresentation
bin100000000111110000001
31222110211011
410000332001
5232140140
634320521
711642434
oct4007601
91873734
101052545
1165987a
12429141
132ab110
141d581b
1515bcea
hex100f81

1052545 has 8 divisors (see below), whose sum is σ = 1360296. Its totient is φ = 777216.

The previous prime is 1052537. The next prime is 1052551. The reversal of 1052545 is 5452501.

It can be written as a sum of positive squares in 4 ways, for example, as 204304 + 848241 = 452^2 + 921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052545 - 23 = 1052537 is a prime.

It is a super-2 number, since 2×10525452 = 2215701954050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8032 + ... + 8161.

It is an arithmetic number, because the mean of its divisors is an integer number (170037).

21052545 is an apocalyptic number.

It is an amenable number.

1052545 is a deficient number, since it is larger than the sum of its proper divisors (307751).

1052545 is a wasteful number, since it uses less digits than its factorization.

1052545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1052545 is about 1025.9361578578. The cubic root of 1052545 is about 101.7216877966.

The spelling of 1052545 in words is "one million, fifty-two thousand, five hundred forty-five".

Divisors: 1 5 13 65 16193 80965 210509 1052545