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1949089 = 23831021
BaseRepresentation
bin111011011110110100001
310200000122111
413123312201
5444332324
6105435321
722365322
oct7336641
93600574
101949089
11111141a
1279bb41
1353320c
1438a449
15287794
hex1dbda1

1949089 has 8 divisors (see below), whose sum is σ = 2060352. Its totient is φ = 1840080.

The previous prime is 1949081. The next prime is 1949111. The reversal of 1949089 is 9809491.

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 1949089 - 23 = 1949081 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1949081) by changing a digit.

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, 1399 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (257544).

21949089 is an apocalyptic number.

It is an amenable number.

1949089 is a deficient number, since it is larger than the sum of its proper divisors (111263).

1949089 is a wasteful number, since it uses less digits than its factorization.

1949089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1949089 is about 1396.0977759455. The cubic root of 1949089 is about 124.9138392910.

The spelling of 1949089 in words is "one million, nine hundred forty-nine thousand, eighty-nine".

Divisors: 1 23 83 1021 1909 23483 84743 1949089