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1073725 = 52291481
BaseRepresentation
bin100000110001000111101
32000112212121
410012020331
5233324400
635002541
712061252
oct4061075
92015777
101073725
11673784
12439451
132b7953
141dd429
1516321a
hex10623d

1073725 has 12 divisors (see below), whose sum is σ = 1378260. Its totient is φ = 828800.

The previous prime is 1073717. The next prime is 1073729. The reversal of 1073725 is 5273701.

It can be written as a sum of positive squares in 6 ways, for example, as 29241 + 1044484 = 171^2 + 1022^2 .

It is not a de Polignac number, because 1073725 - 23 = 1073717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1073725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073729) 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, 16 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (114855).

21073725 is an apocalyptic number.

It is an amenable number.

1073725 is a deficient number, since it is larger than the sum of its proper divisors (304535).

1073725 is a wasteful number, since it uses less digits than its factorization.

1073725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 1073725 is about 1036.2070256469. The cubic root of 1073725 is about 102.3994651767.

The spelling of 1073725 in words is "one million, seventy-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 29 145 725 1481 7405 37025 42949 214745 1073725