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1228110996 = 223746731307
BaseRepresentation
bin100100100110011…
…0111110010010100
310011120220111120110
41021030313302110
510003344022441
6321510403020
742301525350
oct11114676224
93146814513
101228110996
11580266a72
122a3360470
131675876c8
14b916a460
1572c3eb16
hex49337c94

1228110996 has 48 divisors (see below), whose sum is σ = 3282080256. Its totient is φ = 350126304.

The previous prime is 1228110977. The next prime is 1228110997. The reversal of 1228110996 is 6990118221.

It is a super-2 number, since 2×12281109962 = 3016513236992224032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228110997) 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, 23575 + ... + 54881.

It is an arithmetic number, because the mean of its divisors is an integer number (68376672).

Almost surely, 21228110996 is an apocalyptic number.

It is an amenable number.

1228110996 is an abundant number, since it is smaller than the sum of its proper divisors (2053969260).

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

1228110996 is a wasteful number, since it uses less digits than its factorization.

1228110996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31788 (or 31786 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1228110996 is about 35044.4146191658. The cubic root of 1228110996 is about 1070.8924908714.

It can be divided in two parts, 122 and 8110996, that added together give a palindrome (8111118).

The spelling of 1228110996 in words is "one billion, two hundred twenty-eight million, one hundred ten thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 467 934 1401 1868 2802 3269 5604 6538 9807 13076 19614 31307 39228 62614 93921 125228 187842 219149 375684 438298 657447 876596 1314894 2629788 14620369 29240738 43861107 58481476 87722214 102342583 175444428 204685166 307027749 409370332 614055498 1228110996