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1072505 = 5730643
BaseRepresentation
bin100000101110101111001
32000111012102
410011311321
5233310010
634553145
712054560
oct4056571
92014172
101072505
11672875
124387b5
132b7225
141dcbd7
15162ba5
hex105d79

1072505 has 8 divisors (see below), whose sum is σ = 1470912. Its totient is φ = 735408.

The previous prime is 1072471. The next prime is 1072517. The reversal of 1072505 is 5052701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1072505 - 212 = 1068409 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15287 + ... + 15356.

It is an arithmetic number, because the mean of its divisors is an integer number (183864).

21072505 is an apocalyptic number.

It is an amenable number.

1072505 is a deficient number, since it is larger than the sum of its proper divisors (398407).

1072505 is an equidigital number, since it uses as much as digits as its factorization.

1072505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30655.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 1072505 is about 1035.6181728803. The cubic root of 1072505 is about 102.3606673178.

The spelling of 1072505 in words is "one million, seventy-two thousand, five hundred five".

Divisors: 1 5 7 35 30643 153215 214501 1072505