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1133003221 = 7318536121
BaseRepresentation
bin100001110001000…
…0100000111010101
32220221221112020021
41003202010013111
54310022100341
6304232105141
740035240250
oct10342040725
92827845207
101133003221
115316070a9
122775351b1
1315096790c
14aa690097
15697049d1
hex438841d5

1133003221 has 16 divisors (see below), whose sum is σ = 1338416128. Its totient is φ = 938563200.

The previous prime is 1133003189. The next prime is 1133003243. The reversal of 1133003221 is 1223003311.

It is a cyclic number.

It is not a de Polignac number, because 1133003221 - 25 = 1133003189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133003195 and 1133003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133003281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182041 + ... + 188161.

It is an arithmetic number, because the mean of its divisors is an integer number (83651008).

Almost surely, 21133003221 is an apocalyptic number.

It is an amenable number.

1133003221 is a deficient number, since it is larger than the sum of its proper divisors (205412907).

1133003221 is an equidigital number, since it uses as much as digits as its factorization.

1133003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1133003221 is about 33660.1132053949. The cubic root of 1133003221 is about 1042.5023633030.

Adding to 1133003221 its reverse (1223003311), we get a palindrome (2356006532).

The spelling of 1133003221 in words is "one billion, one hundred thirty-three million, three thousand, two hundred twenty-one".

Divisors: 1 7 31 217 853 5971 6121 26443 42847 185101 189751 1328257 5221213 36548491 161857603 1133003221