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40743486 = 2347193161
BaseRepresentation
bin1001101101101…
…1001000111110
32211122222120000
42123123020332
540412242421
64013135130
71003212450
oct233331076
984588500
1040743486
1120aa9203
121178a4a6
138597094
1455a82d0
15389c226
hex26db23e

40743486 has 160 divisors (see below), whose sum is σ = 115230720. Its totient is φ = 10497600.

The previous prime is 40743481. The next prime is 40743487. The reversal of 40743486 is 68434704.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40743486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743481) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 667896 + ... + 667956.

It is an arithmetic number, because the mean of its divisors is an integer number (720192).

Almost surely, 240743486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40743486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57615360).

40743486 is an abundant number, since it is smaller than the sum of its proper divisors (74487234).

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

40743486 is a wasteful number, since it uses less digits than its factorization.

40743486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 40743486 is about 6383.0624311532. The cubic root of 40743486 is about 344.1011003994.

The spelling of 40743486 in words is "forty million, seven hundred forty-three thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 19 21 27 31 38 42 54 57 61 62 63 81 93 114 122 126 133 162 171 183 186 189 217 266 279 342 366 378 399 427 434 513 549 558 567 589 651 798 837 854 1026 1098 1134 1159 1178 1197 1281 1302 1539 1647 1674 1767 1891 1953 2318 2394 2511 2562 3078 3294 3477 3534 3591 3782 3843 3906 4123 4941 5022 5301 5673 5859 6954 7182 7686 8113 8246 9882 10431 10602 10773 11346 11529 11718 12369 13237 15903 16226 17019 17577 20862 21546 23058 24339 24738 26474 31293 31806 34038 34587 35154 35929 37107 39711 47709 48678 51057 62586 69174 71858 73017 74214 79422 93879 95418 102114 107787 111321 119133 146034 153171 187758 215574 219051 222642 238266 251503 306342 323361 333963 357399 438102 503006 646722 657153 667926 714798 754509 970083 1072197 1314306 1509018 1940166 2144394 2263527 2910249 4527054 5820498 6790581 13581162 20371743 40743486