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40771887 = 3137314321
BaseRepresentation
bin1001101110001…
…0000100101111
32211201102111220
42123202010233
540414200022
64013514423
71003361322
oct233420457
984642456
1040771887
1121018582
12117a2a13
1385a6ca0
1455b47b9
1538a585c
hex26e212f

40771887 has 16 divisors (see below), whose sum is σ = 59350368. Its totient is φ = 24744960.

The previous prime is 40771877. The next prime is 40771901. The reversal of 40771887 is 78817704.

40771887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40771887 - 212 = 40767791 is a prime.

It is a super-3 number, since 3×407718873 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40771807) 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 15 ways as a sum of consecutive naturals, for example, 4314 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (3709398).

Almost surely, 240771887 is an apocalyptic number.

40771887 is a deficient number, since it is larger than the sum of its proper divisors (18578481).

40771887 is a wasteful number, since it uses less digits than its factorization.

40771887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14410.

The product of its (nonzero) digits is 87808, while the sum is 42.

The square root of 40771887 is about 6385.2867594181. The cubic root of 40771887 is about 344.1810358395.

The spelling of 40771887 in words is "forty million, seven hundred seventy-one thousand, eight hundred eighty-seven".

Divisors: 1 3 13 39 73 219 949 2847 14321 42963 186173 558519 1045433 3136299 13590629 40771887