Search a number
-
+
112972440 = 23357219213
BaseRepresentation
bin1101011101111…
…01001010011000
321212120121001110
412232331022120
5212410104230
615113220320
72541151500
oct656751230
9255517043
10112972440
1158851959
1231a016a0
131a5362c9
141100aa00
159db84b0
hex6bbd298

112972440 has 96 divisors (see below), whose sum is σ = 394271280. Its totient is φ = 25820928.

The previous prime is 112972421. The next prime is 112972471. The reversal of 112972440 is 44279211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 112972398 and 112972407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3727 + ... + 15486.

Almost surely, 2112972440 is an apocalyptic number.

112972440 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 112972440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197135640).

112972440 is an abundant number, since it is smaller than the sum of its proper divisors (281298840).

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

112972440 is a wasteful number, since it uses less digits than its factorization.

112972440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241 (or 19230 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 112972440 is about 10628.8494203277. The cubic root of 112972440 is about 483.4195053122.

The spelling of 112972440 in words is "one hundred twelve million, nine hundred seventy-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 19213 38426 57639 76852 96065 115278 134491 153704 192130 230556 268982 288195 384260 403473 461112 537964 576390 672455 768520 806946 941437 1075928 1152780 1344910 1613892 1882874 2017365 2305560 2689820 2824311 3227784 3765748 4034730 4707185 5379640 5648622 7531496 8069460 9414370 11297244 14121555 16138920 18828740 22594488 28243110 37657480 56486220 112972440