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1116230421 = 31724379379
BaseRepresentation
bin100001010001000…
…0101001100010101
32212210101101021110
41002202011030111
54241223333141
6302432405233
736442542045
oct10242051425
92783341243
101116230421
115230a0489
122719a6819
1314a344397
14a8365725
1567edee16
hex42885315

1116230421 has 48 divisors (see below), whose sum is σ = 1642572800. Its totient is φ = 673650432.

The previous prime is 1116230419. The next prime is 1116230429. The reversal of 1116230421 is 1240326111.

It is not a de Polignac number, because 1116230421 - 21 = 1116230419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116230429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2945010 + ... + 2945388.

Almost surely, 21116230421 is an apocalyptic number.

It is an amenable number.

1116230421 is a deficient number, since it is larger than the sum of its proper divisors (526342379).

1116230421 is a wasteful number, since it uses less digits than its factorization.

1116230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1116230421 is about 33410.0347350912. The cubic root of 1116230421 is about 1037.3324205264.

Adding to 1116230421 its reverse (1240326111), we get a palindrome (2356556532).

The spelling of 1116230421 in words is "one billion, one hundred sixteen million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 17 43 51 79 129 237 289 379 731 867 1137 1343 2193 3397 4029 6443 10191 12427 16297 19329 22831 29941 37281 48891 57749 68493 89823 109531 173247 277049 328593 508997 831147 981733 1287463 1526991 2945199 3862389 4709833 8652949 14129499 21886871 25958847 65660613 372076807 1116230421