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112311420 = 2235131091321
BaseRepresentation
bin1101011000110…
…11110001111100
321211100000022020
412230123301330
5212222431140
615051120140
72532426354
oct654336174
9254300266
10112311420
1158440261
1231743050
131a364480
1410cb7b64
159cd76d0
hex6b1bc7c

112311420 has 96 divisors (see below), whose sum is σ = 342027840. Its totient is φ = 27371520.

The previous prime is 112311383. The next prime is 112311439. The reversal of 112311420 is 24113211.

It is a super-2 number, since 2×1123114202 = 25227710124832800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112311420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84360 + ... + 85680.

It is an arithmetic number, because the mean of its divisors is an integer number (3562790).

Almost surely, 2112311420 is an apocalyptic number.

112311420 is a gapful number since it is divisible by the number (10) 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 112311420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171013920).

112311420 is an abundant number, since it is smaller than the sum of its proper divisors (229716420).

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

112311420 is a wasteful number, since it uses less digits than its factorization.

112311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 112311420 is about 10597.7082428231. The cubic root of 112311420 is about 482.4748051669.

Adding to 112311420 its reverse (24113211), we get a palindrome (136424631).

The spelling of 112311420 in words is "one hundred twelve million, three hundred eleven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 109 130 156 195 218 260 327 390 436 545 654 780 1090 1308 1321 1417 1635 2180 2642 2834 3270 3963 4251 5284 5668 6540 6605 7085 7926 8502 13210 14170 15852 17004 17173 19815 21255 26420 28340 34346 39630 42510 51519 68692 79260 85020 85865 103038 143989 171730 206076 257595 287978 343460 431967 515190 575956 719945 863934 1030380 1439890 1727868 1871857 2159835 2879780 3743714 4319670 5615571 7487428 8639340 9359285 11231142 18718570 22462284 28077855 37437140 56155710 112311420