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1130403221 = 4373935573
BaseRepresentation
bin100001101100000…
…1001010110010101
32220210001102200222
41003120021112111
54303340400341
6304100244125
740004161133
oct10330112625
92823042628
101130403221
115300a0742
122766a0645
1315026735c
14aa1b4753
156938e44b
hex43609595

1130403221 has 8 divisors (see below), whose sum is σ = 1158289440. Its totient is φ = 1102589712.

The previous prime is 1130403217. The next prime is 1130403229. The reversal of 1130403221 is 1223040311.

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

It is a cyclic number.

It is not a de Polignac number, because 1130403221 - 22 = 1130403217 is a prime.

It is a super-3 number, since 3×11304032213 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 1130403221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130403229) 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 7 ways as a sum of consecutive naturals, for example, 13991 + ... + 49563.

It is an arithmetic number, because the mean of its divisors is an integer number (144786180).

Almost surely, 21130403221 is an apocalyptic number.

It is an amenable number.

1130403221 is a deficient number, since it is larger than the sum of its proper divisors (27886219).

1130403221 is an equidigital number, since it uses as much as digits as its factorization.

1130403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36355.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1130403221 is about 33621.4696436667. The cubic root of 1130403221 is about 1041.7043125751.

Adding to 1130403221 its reverse (1223040311), we get a palindrome (2353443532).

The spelling of 1130403221 in words is "one billion, one hundred thirty million, four hundred three thousand, two hundred twenty-one".

Divisors: 1 43 739 31777 35573 1529639 26288447 1130403221