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40162887 = 3231143953
BaseRepresentation
bin1001100100110…
…1011001000111
32210120111010100
42121031121013
540240203022
63552455143
7665243652
oct231153107
983514110
1040162887
1120741a76
121154a4b3
138422a2b
145496899
1537d51ac
hex264d647

40162887 has 12 divisors (see below), whose sum is σ = 59884864. Its totient is φ = 25911360.

The previous prime is 40162879. The next prime is 40162901. The reversal of 40162887 is 78826104.

40162887 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 40162887 - 23 = 40162879 is a prime.

It is a super-2 number, since 2×401628872 = 3226114984349538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40162877) 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 11 ways as a sum of consecutive naturals, for example, 71698 + ... + 72255.

Almost surely, 240162887 is an apocalyptic number.

40162887 is a deficient number, since it is larger than the sum of its proper divisors (19721977).

40162887 is a wasteful number, since it uses less digits than its factorization.

40162887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143990 (or 143987 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 40162887 is about 6337.4195852886. The cubic root of 40162887 is about 342.4587820468.

It can be divided in two parts, 4016 and 2887, that added together give a triangular number (6903 = T117).

The spelling of 40162887 in words is "forty million, one hundred sixty-two thousand, eight hundred eighty-seven".

Divisors: 1 3 9 31 93 279 143953 431859 1295577 4462543 13387629 40162887