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8011025 = 521129131
BaseRepresentation
bin11110100011110100010001
3120002000001122
4132203310101
54022323100
6443412025
7125043521
oct36436421
916060048
108011025
114581890
122824015
131876469
1410c7681
15a83985
hex7a3d11

8011025 has 12 divisors (see below), whose sum is σ = 10837104. Its totient is φ = 5826000.

The previous prime is 8011021. The next prime is 8011039. The reversal of 8011025 is 5201108.

It is not a de Polignac number, because 8011025 - 22 = 8011021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8010994 and 8011012.

It is not an unprimeable number, because it can be changed into a prime (8011021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14291 + ... + 14840.

It is an arithmetic number, because the mean of its divisors is an integer number (903092).

Almost surely, 28011025 is an apocalyptic number.

It is an amenable number.

8011025 is a deficient number, since it is larger than the sum of its proper divisors (2826079).

8011025 is a wasteful number, since it uses less digits than its factorization.

8011025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29152 (or 29147 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 8011025 is about 2830.3754167954. The cubic root of 8011025 is about 200.0918328272.

The spelling of 8011025 in words is "eight million, eleven thousand, twenty-five".

Divisors: 1 5 11 25 55 275 29131 145655 320441 728275 1602205 8011025