Search a number
-
+
1045471911 = 31132539739
BaseRepresentation
bin111110010100001…
…010001010100111
32200212020110211220
4332110022022213
54120120100121
6251424031423
734623236031
oct7624121247
92625213756
101045471911
11497161580
12252162573
1313879b543
149cbc6c51
1561bb46c6
hex3e50a2a7

1045471911 has 16 divisors (see below), whose sum is σ = 1521310080. Its totient is φ = 633359520.

The previous prime is 1045471853. The next prime is 1045471927. The reversal of 1045471911 is 1191745401.

1045471911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1045471911 - 214 = 1045455527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045471961) 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, 102480 + ... + 112218.

It is an arithmetic number, because the mean of its divisors is an integer number (95081880).

Almost surely, 21045471911 is an apocalyptic number.

1045471911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1045471911 is a deficient number, since it is larger than the sum of its proper divisors (475838169).

1045471911 is a wasteful number, since it uses less digits than its factorization.

1045471911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 1045471911 is about 32333.7580710934. The cubic root of 1045471911 is about 1014.9331933672.

The spelling of 1045471911 in words is "one billion, forty-five million, four hundred seventy-one thousand, nine hundred eleven".

Divisors: 1 3 11 33 3253 9739 9759 29217 35783 107129 107349 321387 31680967 95042901 348490637 1045471911