Base | Representation |
---|---|
bin | 1001101111000… |
… | …0011111000000 |
3 | 2211211102111000 |
4 | 2123300133000 |
5 | 40423042122 |
6 | 4015052000 |
7 | 1004025363 |
oct | 233603700 |
9 | 84742430 |
10 | 40830912 |
11 | 21058961 |
12 | 11811000 |
13 | 85c7b05 |
14 | 55cc0da |
15 | 38b80ac |
hex | 26f07c0 |
40830912 has 56 divisors (see below), whose sum is σ = 120040400. Its totient is φ = 13609728.
The previous prime is 40830883. The next prime is 40830919. The reversal of 40830912 is 21903804.
It is a super-3 number, since 3×408309123 (a number of 24 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40830919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10087 + ... + 13542.
Almost surely, 240830912 is an apocalyptic number.
It is an amenable number.
40830912 is an abundant number, since it is smaller than the sum of its proper divisors (79209488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40830912 is a wasteful number, since it uses less digits than its factorization.
40830912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23650 (or 23634 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 40830912 is about 6389.9070415774. The cubic root of 40830912 is about 344.3470447541.
It can be divided in two parts, 408309 and 12, that added together give a square (408321 = 6392).
The spelling of 40830912 in words is "forty million, eight hundred thirty thousand, nine hundred twelve".
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