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40521676 = 221317231993
BaseRepresentation
bin1001101010010…
…0111111001100
32211020201021211
42122210333030
540333143201
64004304204
71001266666
oct232447714
984221254
1040521676
1120967598
12116a2064
13851a130
14554b536
153856651
hex26a4fcc

40521676 has 48 divisors (see below), whose sum is σ = 84417984. Its totient is φ = 16828416.

The previous prime is 40521673. The next prime is 40521709. The reversal of 40521676 is 67612504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40521673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19336 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (1758708).

Almost surely, 240521676 is an apocalyptic number.

40521676 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40521676 is an abundant number, since it is smaller than the sum of its proper divisors (43896308).

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

40521676 is a wasteful number, since it uses less digits than its factorization.

40521676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40521676 is about 6365.6638302694. The cubic root of 40521676 is about 343.4755280760.

The spelling of 40521676 in words is "forty million, five hundred twenty-one thousand, six hundred seventy-six".

Divisors: 1 2 4 13 17 23 26 34 46 52 68 92 221 299 391 442 598 782 884 1196 1564 1993 3986 5083 7972 10166 20332 25909 33881 45839 51818 67762 91678 103636 135524 183356 440453 595907 779263 880906 1191814 1558526 1761812 2383628 3117052 10130419 20260838 40521676