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1103230020 = 223573251879
BaseRepresentation
bin100000111000001…
…1111010001000100
32211212220220002010
41001300133101010
54224411330040
6301250014220
736224205024
oct10160372104
92755826063
101103230020
11516821052
12269577370
13147741c39
14a673da84
1566cc2e80
hex41c1f444

1103230020 has 48 divisors (see below), whose sum is σ = 3131372160. Its totient is φ = 290163456.

The previous prime is 1103230001. The next prime is 1103230031. The reversal of 1103230020 is 200323011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1103229978 and 1103230005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121560 + ... + 130319.

It is an arithmetic number, because the mean of its divisors is an integer number (65236920).

Almost surely, 21103230020 is an apocalyptic number.

1103230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103230020 is an abundant number, since it is smaller than the sum of its proper divisors (2028142140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103230020 is a wasteful number, since it uses less digits than its factorization.

1103230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251964 (or 251962 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1103230020 is about 33214.9065932753. The cubic root of 1103230020 is about 1033.2895176242.

Adding to 1103230020 its reverse (200323011), we get a palindrome (1303553031).

The spelling of 1103230020 in words is "one billion, one hundred three million, two hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 1095 1460 2190 4380 251879 503758 755637 1007516 1259395 1511274 2518790 3022548 3778185 5037580 7556370 15112740 18387167 36774334 55161501 73548668 91935835 110323002 183871670 220646004 275807505 367743340 551615010 1103230020