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304401011420 = 225111383640961
BaseRepresentation
bin1000110110111111011…
…01101101001011011100
31002002201020012120110002
410123133231231023130
514441403124331140
6351501230033432
730664224622412
oct4333755551334
91062636176402
10304401011420
11108106487320
124abb3348878
132292185708c
1410a398412b2
157db8c47415
hex46dfb6d2dc

304401011420 has 24 divisors (see below), whose sum is σ = 697355044848. Its totient is φ = 110691276800.

The previous prime is 304401011417. The next prime is 304401011449. The reversal of 304401011420 is 24110104403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 304401011392 and 304401011401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691820261 + ... + 691820700.

It is an arithmetic number, because the mean of its divisors is an integer number (29056460202).

Almost surely, 2304401011420 is an apocalyptic number.

It is an amenable number.

304401011420 is an abundant number, since it is smaller than the sum of its proper divisors (392954033428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304401011420 is a wasteful number, since it uses less digits than its factorization.

304401011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383640981 (or 1383640979 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 304401011420 its reverse (24110104403), we get a palindrome (328511115823).

The spelling of 304401011420 in words is "three hundred four billion, four hundred one million, eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1383640961 2767281922 5534563844 6918204805 13836409610 15220050571 27672819220 30440101142 60880202284 76100252855 152200505710 304401011420