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1102238412 = 2231119223131
BaseRepresentation
bin100000110110010…
…1101001011001100
32211211001111211220
41001230231023030
54224133112122
6301212443340
736212605032
oct10154551314
92754044756
101102238412
11516204040
12269179550
131474857a2
14a6562552
1566b7925c
hex41b2d2cc

1102238412 has 72 divisors (see below), whose sum is σ = 2961266112. Its totient is φ = 316418400.

The previous prime is 1102238353. The next prime is 1102238419. The reversal of 1102238412 is 2148322011.

It is not an unprimeable number, because it can be changed into a prime (1102238419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36087 + ... + 59217.

It is an arithmetic number, because the mean of its divisors is an integer number (41128696).

Almost surely, 21102238412 is an apocalyptic number.

1102238412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102238412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480633056).

1102238412 is an abundant number, since it is smaller than the sum of its proper divisors (1859027700).

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

1102238412 is a wasteful number, since it uses less digits than its factorization.

1102238412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187 (or 23166 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1102238412 is about 33199.9760843287. The cubic root of 1102238412 is about 1032.9798435247.

The spelling of 1102238412 in words is "one billion, one hundred two million, two hundred thirty-eight thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 361 418 627 722 836 1083 1254 1444 2166 2508 3971 4332 7942 11913 15884 23131 23826 46262 47652 69393 92524 138786 254441 277572 439489 508882 763323 878978 1017764 1318467 1526646 1757956 2636934 3053292 4834379 5273868 8350291 9668758 14503137 16700582 19337516 25050873 29006274 33401164 50101746 58012548 91853201 100203492 183706402 275559603 367412804 551119206 1102238412