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40894350 = 23527172979
BaseRepresentation
bin1001101111111…
…1111110001110
32211221122111120
42123333332032
540432104400
64020301410
71004411340
oct233777616
984848446
1040894350
11210a1592
1211841866
13861a953
145607290
1538cbca0
hex26fff8e

40894350 has 192 divisors, whose sum is σ = 128563200. Its totient is φ = 8386560.

The previous prime is 40894331. The next prime is 40894351. The reversal of 40894350 is 5349804.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 517611 + ... + 517689.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 240894350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40894350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281600).

40894350 is an abundant number, since it is smaller than the sum of its proper divisors (87668850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40894350 is a wasteful number, since it uses less digits than its factorization.

40894350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40894350 is about 6394.8690369702. The cubic root of 40894350 is about 344.5252870328.

The spelling of 40894350 in words is "forty million, eight hundred ninety-four thousand, three hundred fifty".