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40889248 = 253147877
BaseRepresentation
bin1001101111111…
…0101110100000
32211221101111121
42123332232200
540431423443
64020222024
71004360431
oct233765640
984841447
1040889248
1121098774
121183a914
13861852a
145605488
1538ca4ed
hex26feba0

40889248 has 48 divisors (see below), whose sum is σ = 84962304. Its totient is φ = 19342080.

The previous prime is 40889243. The next prime is 40889257. The reversal of 40889248 is 84298804.

It is not an unprimeable number, because it can be changed into a prime (40889243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46186 + ... + 47062.

It is an arithmetic number, because the mean of its divisors is an integer number (1770048).

Almost surely, 240889248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40889248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42481152).

40889248 is an abundant number, since it is smaller than the sum of its proper divisors (44073056).

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

40889248 is a wasteful number, since it uses less digits than its factorization.

40889248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 40889248 is about 6394.4701109631. The cubic root of 40889248 is about 344.5109587200.

The spelling of 40889248 in words is "forty million, eight hundred eighty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 31 32 47 62 94 124 188 248 376 496 752 877 992 1457 1504 1754 2914 3508 5828 7016 11656 14032 23312 27187 28064 41219 46624 54374 82438 108748 164876 217496 329752 434992 659504 869984 1277789 1319008 2555578 5111156 10222312 20444624 40889248