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41009040 = 2432556957
BaseRepresentation
bin1001110001101…
…1111110010000
32212011110211100
42130123332100
540444242130
64022544400
71005366612
oct234337620
985143740
1041009040
112116a776
1211898100
13865ac07
145636db2
153900c60
hex271bf90

41009040 has 60 divisors (see below), whose sum is σ = 137724444. Its totient is φ = 10935552.

The previous prime is 41009039. The next prime is 41009041. The reversal of 41009040 is 4090014.

It is an interprime number because it is at equal distance from previous prime (41009039) and next prime (41009041).

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 32080896 = 2988^2 + 5664^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (41009041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27759 + ... + 29198.

Almost surely, 241009040 is an apocalyptic number.

41009040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41009040 is an abundant number, since it is smaller than the sum of its proper divisors (96715404).

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

41009040 is a wasteful number, since it uses less digits than its factorization.

41009040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56976 (or 56967 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 41009040 is about 6403.8301039300. The cubic root of 41009040 is about 344.8470651709.

Adding to 41009040 its reverse (4090014), we get a palindrome (45099054).

The spelling of 41009040 in words is "forty-one million, nine thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 56957 113914 170871 227828 284785 341742 455656 512613 569570 683484 854355 911312 1025226 1139140 1366968 1708710 2050452 2278280 2563065 2733936 3417420 4100904 4556560 5126130 6834840 8201808 10252260 13669680 20504520 41009040