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40427377 = 175234547
BaseRepresentation
bin1001101000110…
…1111101110001
32211001220221021
42122031331301
540322134002
64002255441
71000425034
oct232157561
984056837
1040427377
1120902761
1211657581
1384b6233
14552501b
153838737
hex268df71

40427377 has 8 divisors (see below), whose sum is σ = 42896736. Its totient is φ = 37968192.

The previous prime is 40427333. The next prime is 40427407. The reversal of 40427377 is 77372404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40427377 - 27 = 40427249 is a prime.

It is a super-2 number, since 2×404273772 = 3268745622200258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40427477) 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, 6618 + ... + 11164.

It is an arithmetic number, because the mean of its divisors is an integer number (5362092).

Almost surely, 240427377 is an apocalyptic number.

It is an amenable number.

40427377 is a deficient number, since it is larger than the sum of its proper divisors (2469359).

40427377 is a wasteful number, since it uses less digits than its factorization.

40427377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 40427377 is about 6358.2526687762. The cubic root of 40427377 is about 343.2088843166.

It can be divided in two parts, 40427 and 377, that added together give a palindrome (40804).

The spelling of 40427377 in words is "forty million, four hundred twenty-seven thousand, three hundred seventy-seven".

Divisors: 1 17 523 4547 8891 77299 2378081 40427377