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11032021 = 71113103107
BaseRepresentation
bin101010000101…
…010111010101
3202202111002101
4222011113111
510311011041
61032242101
7162525220
oct52052725
922674071
1011032021
116255580
123840331
132393530
1416725b7
15e7db31
hexa855d5

11032021 has 32 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 7784640.

The previous prime is 11031983. The next prime is 11032039. The reversal of 11032021 is 12023011.

11032021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11032021 - 27 = 11031893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11031989 and 11032007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103050 + ... + 103156.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 211032021 is an apocalyptic number.

11032021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11032021 is a deficient number, since it is larger than the sum of its proper divisors (4063787).

11032021 is a wasteful number, since it uses less digits than its factorization.

11032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11032021 is about 3321.4486297397. The cubic root of 11032021 is about 222.6136001982.

Adding to 11032021 its reverse (12023011), we get a palindrome (23055032).

It can be divided in two parts, 110 and 32021, that added together give a triangular number (32131 = T253).

The spelling of 11032021 in words is "eleven million, thirty-two thousand, twenty-one".

Divisors: 1 7 11 13 77 91 103 107 143 721 749 1001 1133 1177 1339 1391 7931 8239 9373 9737 11021 14729 15301 77147 103103 107107 121231 143273 848617 1002911 1576003 11032021