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112284640 = 25513371459
BaseRepresentation
bin1101011000101…
…01001111100000
321211021122120101
412230111033200
5212221102030
615050352144
72532255316
oct654251740
9254248511
10112284640
1158422126
123172b654
131a355220
1410cac0b6
159cce7ca
hex6b153e0

112284640 has 96 divisors (see below), whose sum is σ = 293600160. Its totient is φ = 40310784.

The previous prime is 112284589. The next prime is 112284647. The reversal of 112284640 is 46482211.

It is a junction number, because it is equal to n+sod(n) for n = 112284599 and 112284608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112284647) 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 15 ways as a sum of consecutive naturals, for example, 76231 + ... + 77689.

It is an arithmetic number, because the mean of its divisors is an integer number (3058335).

Almost surely, 2112284640 is an apocalyptic number.

112284640 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 112284640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146800080).

112284640 is an abundant number, since it is smaller than the sum of its proper divisors (181315520).

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

112284640 is a wasteful number, since it uses less digits than its factorization.

112284640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 112284640 is about 10596.4446867806. Note that the first 3 decimals coincide. The cubic root of 112284640 is about 482.4364543552.

The spelling of 112284640 in words is "one hundred twelve million, two hundred eighty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 37 40 52 65 74 80 104 130 148 160 185 208 260 296 370 416 481 520 592 740 962 1040 1184 1459 1480 1924 2080 2405 2918 2960 3848 4810 5836 5920 7295 7696 9620 11672 14590 15392 18967 19240 23344 29180 37934 38480 46688 53983 58360 75868 76960 94835 107966 116720 151736 189670 215932 233440 269915 303472 379340 431864 539830 606944 701779 758680 863728 1079660 1403558 1517360 1727456 2159320 2807116 3034720 3508895 4318640 5614232 7017790 8637280 11228464 14035580 22456928 28071160 56142320 112284640