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40257763 = 721363199
BaseRepresentation
bin1001100110010…
…0100011100011
32210202022021021
42121210203203
540301222023
63554510311
7666120400
oct231444343
983668237
1040257763
11207a7287
1211595397
138456c80
1454bd2a7
15380335d
hex26648e3

40257763 has 12 divisors (see below), whose sum is σ = 50433600. Its totient is φ = 31851792.

The previous prime is 40257757. The next prime is 40257773. The reversal of 40257763 is 36775204.

It is a happy number.

It is not a de Polignac number, because 40257763 - 25 = 40257731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40257703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30963 + ... + 32236.

It is an arithmetic number, because the mean of its divisors is an integer number (4202800).

Almost surely, 240257763 is an apocalyptic number.

40257763 is a deficient number, since it is larger than the sum of its proper divisors (10175837).

40257763 is a wasteful number, since it uses less digits than its factorization.

40257763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63226 (or 63219 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 40257763 is about 6344.9005508361. The cubic root of 40257763 is about 342.7282312073.

The spelling of 40257763 in words is "forty million, two hundred fifty-seven thousand, seven hundred sixty-three".

Divisors: 1 7 13 49 91 637 63199 442393 821587 3096751 5751109 40257763