Search a number
-
+
1090900893 = 31918812161
BaseRepresentation
bin100000100000101…
…1101001110011101
32211000201111200210
41001001131032131
54213232312033
6300125443033
736014335035
oct10101351635
92730644623
101090900893
1150a86aa95
12265410479
131450161b4
14a4c508c5
1565b89d63
hex4105d39d

1090900893 has 16 divisors (see below), whose sum is σ = 1464486912. Its totient is φ = 722304000.

The previous prime is 1090900873. The next prime is 1090900919. The reversal of 1090900893 is 3980090901.

It is not a de Polignac number, because 1090900893 - 29 = 1090900381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090900813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503733 + ... + 505893.

It is an arithmetic number, because the mean of its divisors is an integer number (91530432).

Almost surely, 21090900893 is an apocalyptic number.

It is an amenable number.

1090900893 is a deficient number, since it is larger than the sum of its proper divisors (373586019).

1090900893 is a wasteful number, since it uses less digits than its factorization.

1090900893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1090900893 is about 33028.7888515459. The cubic root of 1090900893 is about 1029.4259197611.

The spelling of 1090900893 in words is "one billion, ninety million, nine hundred thousand, eight hundred ninety-three".

Divisors: 1 3 191 573 881 2161 2643 6483 168271 412751 504813 1238253 1903841 5711523 363633631 1090900893