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40113711 = 351143349
BaseRepresentation
bin1001100100000…
…1011000101111
32210110222200000
42121001120233
540232114321
63551435343
7664650411
oct231013057
983428600
1040113711
1120709030
1211525b53
138406531
1454829b1
1537c5826
hex264162f

40113711 has 48 divisors (see below), whose sum is σ = 67267200. Its totient is φ = 23677920.

The previous prime is 40113709. The next prime is 40113743. The reversal of 40113711 is 11731104.

It is not a de Polignac number, because 40113711 - 21 = 40113709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114765 + ... + 115113.

It is an arithmetic number, because the mean of its divisors is an integer number (1401400).

Almost surely, 240113711 is an apocalyptic number.

40113711 is a deficient number, since it is larger than the sum of its proper divisors (27153489).

40113711 is a wasteful number, since it uses less digits than its factorization.

40113711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 40113711 is about 6333.5385843934. The cubic root of 40113711 is about 342.3189545231.

Adding to 40113711 its reverse (11731104), we get a palindrome (51844815).

The spelling of 40113711 in words is "forty million, one hundred thirteen thousand, seven hundred eleven".

Divisors: 1 3 9 11 27 33 43 81 99 129 243 297 349 387 473 891 1047 1161 1419 2673 3141 3483 3839 4257 9423 10449 11517 12771 15007 28269 34551 38313 45021 84807 103653 114939 135063 165077 310959 405189 495231 932877 1215567 1485693 3646701 4457079 13371237 40113711