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1140625 = 5673
BaseRepresentation
bin100010110011110010001
32010221122101
410112132101
5243000000
640240401
712460303
oct4263621
92127571
101140625
11709a72
12470101
1330c235
14219973
15177e6a
hex116791

1140625 has 14 divisors (see below), whose sum is σ = 1445294. Its totient is φ = 900000.

The previous prime is 1140619. The next prime is 1140637. The reversal of 1140625 is 5260411.

It is a Cunningham number, because it is equal to 10682+1.

It can be written as a sum of positive squares in 7 ways, for example, as 1140624 + 1 = 1068^2 + 1^2 .

It is a de Polignac number, because none of the positive numbers 2k-1140625 is a prime.

It is a Duffinian number.

1140625 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15589 + ... + 15661.

21140625 is an apocalyptic number.

It is an amenable number.

1140625 is a deficient number, since it is larger than the sum of its proper divisors (304669).

1140625 is an frugal number, since it uses more digits than its factorization.

1140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1140625 is about 1068.0004681647. Note that the first 3 decimals coincide. The cubic root of 1140625 is about 104.4834799095.

The spelling of 1140625 in words is "one million, one hundred forty thousand, six hundred twenty-five".

Divisors: 1 5 25 73 125 365 625 1825 3125 9125 15625 45625 228125 1140625