Base | Representation |
---|---|
bin | 1001100101101… |
… | …1010101111110 |
3 | 2210200101111202 |
4 | 2121123111332 |
5 | 40244020110 |
6 | 3554015502 |
7 | 665602364 |
oct | 231332576 |
9 | 83611452 |
10 | 40220030 |
11 | 207809a4 |
12 | 11577592 |
13 | 8442a46 |
14 | 54ad634 |
15 | 37e70a5 |
hex | 265b57e |
40220030 has 8 divisors (see below), whose sum is σ = 72396072. Its totient is φ = 16088008.
The previous prime is 40220027. The next prime is 40220039. The reversal of 40220030 is 3002204.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 40219993 and 40220020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40220039) 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, 2010992 + ... + 2011011.
It is an arithmetic number, because the mean of its divisors is an integer number (9049509).
Almost surely, 240220030 is an apocalyptic number.
40220030 is a deficient number, since it is larger than the sum of its proper divisors (32176042).
40220030 is a wasteful number, since it uses less digits than its factorization.
40220030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4022010.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 40220030 is about 6341.9263634956. The cubic root of 40220030 is about 342.6211197182.
Adding to 40220030 its reverse (3002204), we get a palindrome (43222234).
The spelling of 40220030 in words is "forty million, two hundred twenty thousand, thirty".
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