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41154640 = 245514433
BaseRepresentation
bin1001110011111…
…1100001010000
32212102212112221
42130333201100
541013422030
64030030424
71006544242
oct234774120
985385487
1041154640
112125a0aa
1211948414
1386ac277
145674092
15392de7a
hex273f850

41154640 has 20 divisors (see below), whose sum is σ = 95684724. Its totient is φ = 16461824.

The previous prime is 41154629. The next prime is 41154643. The reversal of 41154640 is 4645114.

41154640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19289664 + 21864976 = 4392^2 + 4676^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41154643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257137 + ... + 257296.

Almost surely, 241154640 is an apocalyptic number.

41154640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41154640 is an abundant number, since it is smaller than the sum of its proper divisors (54530084).

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

41154640 is a wasteful number, since it uses less digits than its factorization.

41154640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514446 (or 514440 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 41154640 is about 6415.1882279478. The cubic root of 41154640 is about 345.2547023444.

Adding to 41154640 its reverse (4645114), we get a palindrome (45799754).

The spelling of 41154640 in words is "forty-one million, one hundred fifty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 514433 1028866 2057732 2572165 4115464 5144330 8230928 10288660 20577320 41154640