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1995485 = 5399097
BaseRepresentation
bin111100111001011011101
310202101021212
413213023131
51002323420
6110434205
722650512
oct7471335
93671255
101995485
111143268
12802965
1354b37b
1439d309
152963c5
hex1e72dd

1995485 has 4 divisors (see below), whose sum is σ = 2394588. Its totient is φ = 1596384.

The previous prime is 1995481. The next prime is 1995517. The reversal of 1995485 is 5845991.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1267876 + 727609 = 1126^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995485 - 22 = 1995481 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199544 + ... + 199553.

It is an arithmetic number, because the mean of its divisors is an integer number (598647).

21995485 is an apocalyptic number.

It is an amenable number.

1995485 is a deficient number, since it is larger than the sum of its proper divisors (399103).

1995485 is an equidigital number, since it uses as much as digits as its factorization.

1995485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399102.

The product of its digits is 64800, while the sum is 41.

The square root of 1995485 is about 1412.6163668881. The cubic root of 1995485 is about 125.8972244971.

The spelling of 1995485 in words is "one million, nine hundred ninety-five thousand, four hundred eighty-five".

Divisors: 1 5 399097 1995485