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40103140 = 22571126041
BaseRepresentation
bin1001100011111…
…0110011100100
32210110110011111
42120332303210
540231300030
63551314404
7664604530
oct230766344
983413144
1040103140
11207010a0
121151ba04
13840178c
14547cbc0
1537c262a
hex263ece4

40103140 has 48 divisors (see below), whose sum is σ = 105001344. Its totient is φ = 12499200.

The previous prime is 40103113. The next prime is 40103179. The reversal of 40103140 is 4130104.

It is a self number, because there is not a number n which added to its sum of digits gives 40103140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11481 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (2187528).

Almost surely, 240103140 is an apocalyptic number.

It is an amenable number.

40103140 is an abundant number, since it is smaller than the sum of its proper divisors (64898204).

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

40103140 is a wasteful number, since it uses less digits than its factorization.

40103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068 (or 26066 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40103140 is about 6332.7040038202. The cubic root of 40103140 is about 342.2888819163.

Adding to 40103140 its reverse (4130104), we get a palindrome (44233244).

The spelling of 40103140 in words is "forty million, one hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 26041 52082 104164 130205 182287 260410 286451 364574 520820 572902 729148 911435 1145804 1432255 1822870 2005157 2864510 3645740 4010314 5729020 8020628 10025785 20051570 40103140