Base | Representation |
---|---|
bin | 101010101111111… |
… | …1101101010110100 |
3 | 10200222011020002001 |
4 | 1111133331222310 |
5 | 10414204124140 |
6 | 354201025044 |
7 | 50355362605 |
oct | 12537755264 |
9 | 3628136061 |
10 | 1434442420 |
11 | 676783904 |
12 | 340485184 |
13 | 19b24a7c8 |
14 | d8719dac |
15 | 85de9e9a |
hex | 557fdab4 |
1434442420 has 24 divisors (see below), whose sum is σ = 3013920000. Its totient is φ = 573473952.
The previous prime is 1434442409. The next prime is 1434442423. The reversal of 1434442420 is 242444341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1434442423) 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, 22041 + ... + 57919.
It is an arithmetic number, because the mean of its divisors is an integer number (125580000).
Almost surely, 21434442420 is an apocalyptic number.
1434442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1434442420 is an abundant number, since it is smaller than the sum of its proper divisors (1579477580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1434442420 is a wasteful number, since it uses less digits than its factorization.
1434442420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37887 (or 37885 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 28.
The square root of 1434442420 is about 37874.0335850303. The cubic root of 1434442420 is about 1127.7886164350.
Adding to 1434442420 its reverse (242444341), we get a palindrome (1676886761).
The spelling of 1434442420 in words is "one billion, four hundred thirty-four million, four hundred forty-two thousand, four hundred twenty".
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