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40049727 = 343310463
BaseRepresentation
bin1001100011000…
…1110000111111
32210100201220020
42120301300333
540223042402
63550223223
7664263024
oct230616077
983321806
1040049727
1120674a53
12114b4b13
1383b3383
14546754b
1537b18bc
hex2631c3f

40049727 has 8 divisors (see below), whose sum is σ = 54641664. Its totient is φ = 26078808.

The previous prime is 40049717. The next prime is 40049729. The reversal of 40049727 is 72794004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40049727 - 27 = 40049599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40049729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155103 + ... + 155360.

It is an arithmetic number, because the mean of its divisors is an integer number (6830208).

Almost surely, 240049727 is an apocalyptic number.

40049727 is a deficient number, since it is larger than the sum of its proper divisors (14591937).

40049727 is a wasteful number, since it uses less digits than its factorization.

40049727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310509.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 40049727 is about 6328.4853638134. The cubic root of 40049727 is about 342.1368506048.

It can be divided in two parts, 4004 and 9727, that added together give a palindrome (13731).

The spelling of 40049727 in words is "forty million, forty-nine thousand, seven hundred twenty-seven".

Divisors: 1 3 43 129 310463 931389 13349909 40049727