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40041801 = 3231143519
BaseRepresentation
bin1001100010111…
…1110101001001
32210100100000200
42120233311021
540222314201
63550122413
7664230642
oct230576511
983310020
1040041801
1120669aa8
12114b0409
1383ac897
1454646c9
1537ae386
hex262fd49

40041801 has 12 divisors (see below), whose sum is σ = 59704320. Its totient is φ = 25833240.

The previous prime is 40041769. The next prime is 40041809. The reversal of 40041801 is 10814004.

It is not a de Polignac number, because 40041801 - 25 = 40041769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40041809) 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, 71481 + ... + 72038.

It is an arithmetic number, because the mean of its divisors is an integer number (4975360).

Almost surely, 240041801 is an apocalyptic number.

It is an amenable number.

40041801 is a deficient number, since it is larger than the sum of its proper divisors (19662519).

40041801 is a wasteful number, since it uses less digits than its factorization.

40041801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143556 (or 143553 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 40041801 is about 6327.8591166365. The cubic root of 40041801 is about 342.1142790353.

Adding to 40041801 its reverse (10814004), we get a palindrome (50855805).

The spelling of 40041801 in words is "forty million, forty-one thousand, eight hundred one".

Divisors: 1 3 9 31 93 279 143519 430557 1291671 4449089 13347267 40041801