Base | Representation |
---|---|
bin | 1010001011001… |
… | …0100101101100 |
3 | 2222022002110112 |
4 | 2202302211230 |
5 | 41411041130 |
6 | 4122355152 |
7 | 1025504366 |
oct | 242624554 |
9 | 88262415 |
10 | 42674540 |
11 | 220a8017 |
12 | 1235bab8 |
13 | 8ac200c |
14 | 594bd36 |
15 | 3b2e495 |
hex | 28b296c |
42674540 has 48 divisors (see below), whose sum is σ = 92316672. Its totient is φ = 16563456.
The previous prime is 42674537. The next prime is 42674581. The reversal of 42674540 is 4547624.
42674540 = T1 + T2 + ... + T634.
42674540 is a nontrivial binomial coefficient, being equal to C(636, 3).
It is a super-2 number, since 2×426745402 = 3642232728423200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42674497 and 42674506.
It is an unprimeable number.
It is the 634-th tetrahedral number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134462 + ... + 134778.
It is an arithmetic number, because the mean of its divisors is an integer number (1923264).
Almost surely, 242674540 is an apocalyptic number.
It is an amenable number.
42674540 is an abundant number, since it is smaller than the sum of its proper divisors (49642132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42674540 is a wasteful number, since it uses less digits than its factorization.
42674540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506 (or 504 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 32.
The square root of 42674540 is about 6532.5752961600. The cubic root of 42674540 is about 349.4536782919.
The spelling of 42674540 in words is "forty-two million, six hundred seventy-four thousand, five hundred forty".
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