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1133022421 = 1989670031
BaseRepresentation
bin100001110001000…
…1000110011010101
32220221222111120101
41003202020303111
54310023204141
6304232334101
740035350236
oct10342106325
92827874511
101133022421
1153161a573
12277544331
1315097358b
14aa69708d
156970a531
hex43888cd5

1133022421 has 8 divisors (see below), whose sum is σ = 1206057600. Its totient is φ = 1061327520.

The previous prime is 1133022419. The next prime is 1133022439. The reversal of 1133022421 is 1242203311.

It is a happy number.

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 1133022421 - 21 = 1133022419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133022491) 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, 333325 + ... + 336706.

It is an arithmetic number, because the mean of its divisors is an integer number (150757200).

Almost surely, 21133022421 is an apocalyptic number.

It is an amenable number.

1133022421 is a deficient number, since it is larger than the sum of its proper divisors (73035179).

1133022421 is an equidigital number, since it uses as much as digits as its factorization.

1133022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670139.

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

The square root of 1133022421 is about 33660.3984082185. The cubic root of 1133022421 is about 1042.5082520572.

Adding to 1133022421 its reverse (1242203311), we get a palindrome (2375225732).

The spelling of 1133022421 in words is "one billion, one hundred thirty-three million, twenty-two thousand, four hundred twenty-one".

Divisors: 1 19 89 1691 670031 12730589 59632759 1133022421