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1092025 = 52112192
BaseRepresentation
bin100001010100110111001
32001110222101
410022212321
5234421100
635223401
712165514
oct4124671
92043871
101092025
11686500
12447b61
132c308c
14205d7b
1516886a
hex10a9b9

1092025 has 27 divisors (see below), whose sum is σ = 1570863. Its totient is φ = 752400.

The previous prime is 1092023. The next prime is 1092041. The reversal of 1092025 is 5202901.

The square root of 1092025 is 1045.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 393129 + 698896 = 627^2 + 836^2 .

It is not a de Polignac number, because 1092025 - 21 = 1092023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1091993 and 1092011.

It is not an unprimeable number, because it can be changed into a prime (1092023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 57466 + ... + 57484.

21092025 is an apocalyptic number.

1092025 is the 1045-th square number.

1092025 is the 523-rd centered octagonal number.

It is an amenable number.

1092025 is a deficient number, since it is larger than the sum of its proper divisors (478838).

1092025 is a wasteful number, since it uses less digits than its factorization.

1092025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The cubic root of 1092025 is about 102.9779385307.

The spelling of 1092025 in words is "one million, ninety-two thousand, twenty-five".

Divisors: 1 5 11 19 25 55 95 121 209 275 361 475 605 1045 1805 2299 3025 3971 5225 9025 11495 19855 43681 57475 99275 218405 1092025