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1105233213 = 3773720961
BaseRepresentation
bin100000111100000…
…1000010100111101
32212000200122221110
41001320020110331
54230414430323
6301400552233
736250220160
oct10170102475
92760618843
101105233213
1151796a087
1226a182679
13147c93966
14a6b01ad7
156706b793
hex41e0853d

1105233213 has 16 divisors (see below), whose sum is σ = 1707238016. Its totient is φ = 622909440.

The previous prime is 1105233161. The next prime is 1105233251. The reversal of 1105233213 is 3123325011.

It is not a de Polignac number, because 1105233213 - 212 = 1105229117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105233293) 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 15 ways as a sum of consecutive naturals, for example, 358948 + ... + 362013.

It is an arithmetic number, because the mean of its divisors is an integer number (106702376).

Almost surely, 21105233213 is an apocalyptic number.

It is an amenable number.

1105233213 is a deficient number, since it is larger than the sum of its proper divisors (602004803).

1105233213 is an equidigital number, since it uses as much as digits as its factorization.

1105233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721044.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1105233213 is about 33245.0479470251. The cubic root of 1105233213 is about 1033.9145389276.

Adding to 1105233213 its reverse (3123325011), we get a palindrome (4228558224).

The spelling of 1105233213 in words is "one billion, one hundred five million, two hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 3 7 21 73 219 511 1533 720961 2162883 5046727 15140181 52630153 157890459 368411071 1105233213