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40677369 = 313559123
BaseRepresentation
bin1001101100101…
…0111111111001
32211112121212020
42123022333321
540403133434
64011505053
71002515625
oct233127771
984477766
1040677369
1120a63567
1211758189
138572c65
14558c185
153887849
hex26caff9

40677369 has 4 divisors (see below), whose sum is σ = 54236496. Its totient is φ = 27118244.

The previous prime is 40677367. The next prime is 40677389. The reversal of 40677369 is 96377604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40677369 - 21 = 40677367 is a prime.

It is a super-2 number, since 2×406773692 = 3309296697524322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40677369.

It is not an unprimeable number, because it can be changed into a prime (40677367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6779559 + ... + 6779564.

It is an arithmetic number, because the mean of its divisors is an integer number (13559124).

Almost surely, 240677369 is an apocalyptic number.

It is an amenable number.

40677369 is a deficient number, since it is larger than the sum of its proper divisors (13559127).

40677369 is a wasteful number, since it uses less digits than its factorization.

40677369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559126.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 40677369 is about 6377.8812312554. The cubic root of 40677369 is about 343.9148681756.

The spelling of 40677369 in words is "forty million, six hundred seventy-seven thousand, three hundred sixty-nine".

Divisors: 1 3 13559123 40677369