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113873540 = 225113159283
BaseRepresentation
bin1101100100110…
…01001010000100
321221021101010112
412302121022010
5213122423130
615144412152
72551623554
oct662311204
9257241115
10113873540
1159307970
1232177058
131a7904c1
14111a3164
159ee5495
hex6c99284

113873540 has 96 divisors (see below), whose sum is σ = 274821120. Its totient is φ = 39254400.

The previous prime is 113873537. The next prime is 113873549. The reversal of 113873540 is 45378311.

It is a super-2 number, since 2×1138735402 = 25934366224263200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113873497 and 113873506.

It is not an unprimeable number, because it can be changed into a prime (113873549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402239 + ... + 402521.

It is an arithmetic number, because the mean of its divisors is an integer number (2862720).

Almost surely, 2113873540 is an apocalyptic number.

113873540 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 113873540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137410560).

113873540 is an abundant number, since it is smaller than the sum of its proper divisors (160947580).

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

113873540 is a wasteful number, since it uses less digits than its factorization.

113873540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 113873540 is about 10671.1545767082. The cubic root of 113873540 is about 484.7013997886.

The spelling of 113873540 in words is "one hundred thirteen million, eight hundred seventy-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 59 62 110 118 124 155 220 236 283 295 310 341 566 590 620 649 682 1132 1180 1298 1364 1415 1705 1829 2596 2830 3113 3245 3410 3658 5660 6226 6490 6820 7316 8773 9145 12452 12980 15565 16697 17546 18290 20119 31130 33394 35092 36580 40238 43865 62260 66788 80476 83485 87730 96503 100595 166970 175460 183667 193006 201190 333940 367334 386012 402380 482515 517607 734668 918335 965030 1035214 1836670 1930060 2070428 2588035 3673340 5176070 5693677 10352140 11387354 22774708 28468385 56936770 113873540