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40827970 = 254082797
BaseRepresentation
bin1001101110111…
…1110001000010
32211211021110001
42123233301002
540422443340
64015030214
71004013661
oct233576102
984737401
1040827970
1121056727
121180b36a
1385c6681
1455cadd8
1538b729a
hex26efc42

40827970 has 8 divisors (see below), whose sum is σ = 73490364. Its totient is φ = 16331184.

The previous prime is 40827953. The next prime is 40827977. The reversal of 40827970 is 7972804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40819321 + 8649 = 6389^2 + 93^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40827977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041389 + ... + 2041408.

Almost surely, 240827970 is an apocalyptic number.

40827970 is a deficient number, since it is larger than the sum of its proper divisors (32662394).

40827970 is a wasteful number, since it uses less digits than its factorization.

40827970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082804.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 40827970 is about 6389.6768306386. The cubic root of 40827970 is about 344.3387741140.

The spelling of 40827970 in words is "forty million, eight hundred twenty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 4082797 8165594 20413985 40827970