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40634269 = 1343157463
BaseRepresentation
bin1001101100000…
…0011110011101
32211110102201221
42123000132131
540400244034
64010533341
71002246154
oct233003635
984412657
1040634269
1120a34145
1211737251
138559460
14557a59b
153879bb4
hex26c079d

40634269 has 16 divisors (see below), whose sum is σ = 45160192. Its totient is φ = 36324288.

The previous prime is 40634263. The next prime is 40634281. The reversal of 40634269 is 96243604.

40634269 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 40634269 - 213 = 40626077 is a prime.

It is a super-2 number, since 2×406342692 = 3302287634328722, 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 (40634263) 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 15 ways as a sum of consecutive naturals, for example, 87532 + ... + 87994.

It is an arithmetic number, because the mean of its divisors is an integer number (2822512).

Almost surely, 240634269 is an apocalyptic number.

It is an amenable number.

40634269 is a deficient number, since it is larger than the sum of its proper divisors (4525923).

40634269 is a wasteful number, since it uses less digits than its factorization.

40634269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 40634269 is about 6374.5014707034. The cubic root of 40634269 is about 343.7933594231.

The spelling of 40634269 in words is "forty million, six hundred thirty-four thousand, two hundred sixty-nine".

Divisors: 1 13 43 157 463 559 2041 6019 6751 19909 72691 87763 258817 944983 3125713 40634269