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40570374 = 23131633191
BaseRepresentation
bin1001101011000…
…0111000000110
32211100012002110
42122300320012
540341222444
64005321450
71001561655
oct232607006
984305073
1040570374
11209a0139
1211706286
138536350
14556119c
153865cb9
hex26b0e06

40570374 has 32 divisors (see below), whose sum is σ = 87945984. Its totient is φ = 12402720.

The previous prime is 40570363. The next prime is 40570379. The reversal of 40570374 is 47307504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40570379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11119 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (2748312).

Almost surely, 240570374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40570374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43972992).

40570374 is an abundant number, since it is smaller than the sum of its proper divisors (47375610).

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

40570374 is a wasteful number, since it uses less digits than its factorization.

40570374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40570374 is about 6369.4877345042. The cubic root of 40570374 is about 343.6130666056.

Adding to 40570374 its reverse (47307504), we get a palindrome (87877878).

The spelling of 40570374 in words is "forty million, five hundred seventy thousand, three hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 163 326 489 978 2119 3191 4238 6357 6382 9573 12714 19146 41483 82966 124449 248898 520133 1040266 1560399 3120798 6761729 13523458 20285187 40570374