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1995494 = 217193089
BaseRepresentation
bin111100111001011100110
310202101022012
413213023212
51002323434
6110434222
722650524
oct7471346
93671265
101995494
111143276
12802972
1354b387
1439d314
152963ce
hex1e72e6

1995494 has 16 divisors (see below), whose sum is σ = 3337200. Its totient is φ = 889344.

The previous prime is 1995481. The next prime is 1995517. The reversal of 1995494 is 4945991.

1995494 = T476 + T477 + ... + T492.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (208575).

21995494 is an apocalyptic number.

1995494 is a deficient number, since it is larger than the sum of its proper divisors (1341706).

1995494 is a wasteful number, since it uses less digits than its factorization.

1995494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its digits is 58320, while the sum is 41.

The square root of 1995494 is about 1412.6195524627. The cubic root of 1995494 is about 125.8974137699.

The spelling of 1995494 in words is "one million, nine hundred ninety-five thousand, four hundred ninety-four".

Divisors: 1 2 17 19 34 38 323 646 3089 6178 52513 58691 105026 117382 997747 1995494