Base | Representation |
---|---|
bin | 1001100100100… |
… | …1101011111110 |
3 | 2210112201022020 |
4 | 2121021223332 |
5 | 40234211320 |
6 | 3552301010 |
7 | 665151501 |
oct | 231115376 |
9 | 83481266 |
10 | 40147710 |
11 | 20731629 |
12 | 11541766 |
13 | 8418b55 |
14 | 5491138 |
15 | 37d0940 |
hex | 2649afe |
40147710 has 32 divisors (see below), whose sum is σ = 102023712. Its totient is φ = 10076160.
The previous prime is 40147669. The next prime is 40147711. The reversal of 40147710 is 1774104.
It is a super-2 number, since 2×401477102 = 3223677236488200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40147711) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38851 + ... + 39870.
It is an arithmetic number, because the mean of its divisors is an integer number (3188241).
Almost surely, 240147710 is an apocalyptic number.
40147710 is an abundant number, since it is smaller than the sum of its proper divisors (61876002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40147710 is a wasteful number, since it uses less digits than its factorization.
40147710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78748.
The product of its (nonzero) digits is 784, while the sum is 24.
The square root of 40147710 is about 6336.2220605026. Note that the first 3 decimals coincide. The cubic root of 40147710 is about 342.4156397982.
The spelling of 40147710 in words is "forty million, one hundred forty-seven thousand, seven hundred ten".
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