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1385707 = 2971673
BaseRepresentation
bin101010010010011101011
32121101211111
411102103223
5323320312
645411151
714530651
oct5222353
92541744
101385707
11867114
12569ab7
1339695b
14280dd1
151c58a7
hex1524eb

1385707 has 8 divisors (see below), whose sum is σ = 1455840. Its totient is φ = 1317120.

The previous prime is 1385693. The next prime is 1385743. The reversal of 1385707 is 7075831.

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 1385707 - 211 = 1383659 is a prime.

It is a Duffinian number.

1385707 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1385767) by changing a digit.

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, 1723 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (181980).

21385707 is an apocalyptic number.

1385707 is a deficient number, since it is larger than the sum of its proper divisors (70133).

1385707 is an equidigital number, since it uses as much as digits as its factorization.

1385707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1385707 is about 1177.1605667877. The cubic root of 1385707 is about 111.4868907483.

The spelling of 1385707 in words is "one million, three hundred eighty-five thousand, seven hundred seven".

Divisors: 1 29 71 673 2059 19517 47783 1385707