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40487058 = 2322249281
BaseRepresentation
bin1001101001110…
…0100010010010
32211011221210200
42122130202102
540331041213
64003440030
71001064033
oct232344222
984157720
1040487058
1120943587
1211686016
138507451
14553ca8a
15384b273
hex269c892

40487058 has 12 divisors (see below), whose sum is σ = 87721998. Its totient is φ = 13495680.

The previous prime is 40487021. The next prime is 40487059. The reversal of 40487058 is 85078404.

It can be written as a sum of positive squares in only one way, i.e., 38155329 + 2331729 = 6177^2 + 1527^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40487059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124623 + ... + 1124658.

Almost surely, 240487058 is an apocalyptic number.

40487058 is an abundant number, since it is smaller than the sum of its proper divisors (47234940).

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

40487058 is a wasteful number, since it uses less digits than its factorization.

40487058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249289 (or 2249286 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 40487058 is about 6362.9441298820. The cubic root of 40487058 is about 343.3776888893.

The spelling of 40487058 in words is "forty million, four hundred eighty-seven thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 2249281 4498562 6747843 13495686 20243529 40487058