Base | Representation |
---|---|
bin | 1001110001001… |
… | …1100000101010 |
3 | 2212002201021120 |
4 | 2130103200222 |
5 | 40442140003 |
6 | 4022120110 |
7 | 1005163554 |
oct | 234234052 |
9 | 85081246 |
10 | 40974378 |
11 | 21146725 |
12 | 11880036 |
13 | 86481c3 |
14 | 56284d4 |
15 | 38e5853 |
hex | 271382a |
40974378 has 8 divisors (see below), whose sum is σ = 81948768. Its totient is φ = 13658124.
The previous prime is 40974347. The next prime is 40974383. The reversal of 40974378 is 87347904.
It is a sphenic number, since it is the product of 3 distinct primes.
40974378 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414526 + ... + 3414537.
It is an arithmetic number, because the mean of its divisors is an integer number (10243596).
Almost surely, 240974378 is an apocalyptic number.
40974378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40974378 is a wasteful number, since it uses less digits than its factorization.
40974378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6829068.
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 40974378 is about 6401.1231826922. The cubic root of 40974378 is about 344.7498796215.
The spelling of 40974378 in words is "forty million, nine hundred seventy-four thousand, three hundred seventy-eight".
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