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1087425 = 3552179
BaseRepresentation
bin100001001011111000001
32001020200000
410021133001
5234244200
635150213
712146223
oct4113701
92036600
101087425
11682aa9
12445369
132c0c61
14204413
15167300
hex1097c1

1087425 has 36 divisors (see below), whose sum is σ = 2031120. Its totient is φ = 576720.

The previous prime is 1087423. The next prime is 1087433. The reversal of 1087425 is 5247801.

It is not a de Polignac number, because 1087425 - 21 = 1087423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1087423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5986 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (56420).

21087425 is an apocalyptic number.

1087425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1087425 is a deficient number, since it is larger than the sum of its proper divisors (943695).

1087425 is an equidigital number, since it uses as much as digits as its factorization.

1087425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1087425 is about 1042.7967203631. The cubic root of 1087425 is about 102.8331417213.

The spelling of 1087425 in words is "one million, eighty-seven thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 179 225 243 405 537 675 895 1215 1611 2025 2685 4475 4833 6075 8055 13425 14499 24165 40275 43497 72495 120825 217485 362475 1087425