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1102433221 = 17510112713
BaseRepresentation
bin100000110110101…
…1100101111000101
32211211102102002001
41001231130233011
54224210330341
6301220545301
736214346011
oct10155345705
92754372061
101102433221
1151632743a
12269252231
13147523366
14a65b3541
1566bb6d31
hex41b5cbc5

1102433221 has 8 divisors (see below), whose sum is σ = 1167602904. Its totient is φ = 1037299200.

The previous prime is 1102433207. The next prime is 1102433239. The reversal of 1102433221 is 1223342011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 195580225 + 906852996 = 13985^2 + 30114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1102433221 - 223 = 1094044613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102433261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80361 + ... + 93073.

It is an arithmetic number, because the mean of its divisors is an integer number (145950363).

Almost surely, 21102433221 is an apocalyptic number.

It is an amenable number.

1102433221 is a deficient number, since it is larger than the sum of its proper divisors (65169683).

1102433221 is a wasteful number, since it uses less digits than its factorization.

1102433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17831.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1102433221 is about 33202.9098273028. The cubic root of 1102433221 is about 1033.0406960330.

Adding to 1102433221 its reverse (1223342011), we get a palindrome (2325775232).

The spelling of 1102433221 in words is "one billion, one hundred two million, four hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 17 5101 12713 86717 216121 64849013 1102433221