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40811705 = 511742031
BaseRepresentation
bin1001101110101…
…1110010111001
32211210110010122
42123223302321
540421433310
64014423025
71003615364
oct233536271
984713118
1040811705
1121045490
1211801a75
1385bc14c
1455c50db
1538b2555
hex26ebcb9

40811705 has 8 divisors (see below), whose sum is σ = 53426304. Its totient is φ = 29681200.

The previous prime is 40811689. The next prime is 40811731. The reversal of 40811705 is 50711804.

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

It is not a de Polignac number, because 40811705 - 24 = 40811689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370961 + ... + 371070.

It is an arithmetic number, because the mean of its divisors is an integer number (6678288).

Almost surely, 240811705 is an apocalyptic number.

It is an amenable number.

40811705 is a deficient number, since it is larger than the sum of its proper divisors (12614599).

40811705 is a wasteful number, since it uses less digits than its factorization.

40811705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742047.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 40811705 is about 6388.4039477791. The cubic root of 40811705 is about 344.2930422782.

Subtracting 40811705 from its reverse (50711804), we obtain a palindrome (9900099).

The spelling of 40811705 in words is "forty million, eight hundred eleven thousand, seven hundred five".

Divisors: 1 5 11 55 742031 3710155 8162341 40811705