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40807375 = 537149313
BaseRepresentation
bin1001101110101…
…0101111001111
32211210020012021
42123222233033
540421314000
64014351011
71003566640
oct233525717
984706167
1040807375
1121042204
12117bb467
1385ba19b
1455c36c7
1538b111a
hex26eabcf

40807375 has 32 divisors (see below), whose sum is σ = 58780800. Its totient is φ = 27705600.

The previous prime is 40807373. The next prime is 40807381. The reversal of 40807375 is 57370804.

It is not a de Polignac number, because 40807375 - 21 = 40807373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40807375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40807373) 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 31 ways as a sum of consecutive naturals, for example, 130219 + ... + 130531.

It is an arithmetic number, because the mean of its divisors is an integer number (1836900).

Almost surely, 240807375 is an apocalyptic number.

40807375 is a deficient number, since it is larger than the sum of its proper divisors (17973425).

40807375 is a wasteful number, since it uses less digits than its factorization.

40807375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40807375 is about 6388.0650435010. The cubic root of 40807375 is about 344.2808656931.

The spelling of 40807375 in words is "forty million, eight hundred seven thousand, three hundred seventy-five".

Divisors: 1 5 7 25 35 125 149 175 313 745 875 1043 1565 2191 3725 5215 7825 10955 18625 26075 39125 46637 54775 130375 233185 273875 326459 1165925 1632295 5829625 8161475 40807375