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40704863 = 149273187
BaseRepresentation
bin1001101101000…
…1101101011111
32211121000120112
42123101231133
540410023423
64012240235
71002662033
oct233215537
984530515
1040704863
1120a82191
121177007b
138582624
1455981c3
153890a78
hex26d1b5f

40704863 has 4 divisors (see below), whose sum is σ = 40978200. Its totient is φ = 40431528.

The previous prime is 40704827. The next prime is 40704887. The reversal of 40704863 is 36840704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40704863 - 28 = 40704607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136445 + ... + 136742.

It is an arithmetic number, because the mean of its divisors is an integer number (10244550).

Almost surely, 240704863 is an apocalyptic number.

40704863 is a deficient number, since it is larger than the sum of its proper divisors (273337).

40704863 is a wasteful number, since it uses less digits than its factorization.

40704863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273336.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40704863 is about 6380.0362851633. The cubic root of 40704863 is about 343.9923352132.

The spelling of 40704863 in words is "forty million, seven hundred four thousand, eight hundred sixty-three".

Divisors: 1 149 273187 40704863