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40294577 = 1371971493
BaseRepresentation
bin1001100110110…
…1100010110001
32210211011202202
42121231202301
540303411302
63555352545
7666332621
oct231554261
983734682
1040294577
1120821a04
12115b2755
13846a95b
1454cc881
15380e202
hex266d8b1

40294577 has 8 divisors (see below), whose sum is σ = 40822056. Its totient is φ = 39770752.

The previous prime is 40294549. The next prime is 40294603. The reversal of 40294577 is 77549204.

40294577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27363361 + 12931216 = 5231^2 + 3596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40294577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40294577.

It is not an unprimeable number, because it can be changed into a prime (40294277) 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 7 ways as a sum of consecutive naturals, for example, 26243 + ... + 27735.

It is an arithmetic number, because the mean of its divisors is an integer number (5102757).

Almost surely, 240294577 is an apocalyptic number.

It is an amenable number.

40294577 is a deficient number, since it is larger than the sum of its proper divisors (527479).

40294577 is a wasteful number, since it uses less digits than its factorization.

40294577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 40294577 is about 6347.8009578121. The cubic root of 40294577 is about 342.8326694750.

The spelling of 40294577 in words is "forty million, two hundred ninety-four thousand, five hundred seventy-seven".

Divisors: 1 137 197 1493 26989 204541 294121 40294577