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420503041 = 717191791039
BaseRepresentation
bin11001000100000…
…101111000000001
31002022020202201201
4121010011320001
51330122044131
6105420501201
713264134250
oct3104057001
91068222651
10420503041
111a63aa182
12b89aa801
136916c98a
143dbc0797
1526db3761
hex19105e01

420503041 has 32 divisors (see below), whose sum is σ = 539136000. Its totient is φ = 319272192.

The previous prime is 420503033. The next prime is 420503047. The reversal of 420503041 is 140305024.

It is a cyclic number.

It is not a de Polignac number, because 420503041 - 23 = 420503033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420503047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404200 + ... + 405238.

It is an arithmetic number, because the mean of its divisors is an integer number (16848000).

Almost surely, 2420503041 is an apocalyptic number.

It is an amenable number.

420503041 is a deficient number, since it is larger than the sum of its proper divisors (118632959).

420503041 is a wasteful number, since it uses less digits than its factorization.

420503041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420503041 is about 20506.1708029559. The cubic root of 420503041 is about 749.1861043439.

Adding to 420503041 its reverse (140305024), we get a palindrome (560808065).

The spelling of 420503041 in words is "four hundred twenty million, five hundred three thousand, forty-one".

Divisors: 1 7 17 19 119 133 179 323 1039 1253 2261 3043 3401 7273 17663 19741 21301 23807 57817 123641 138187 185981 335597 404719 1301867 2349179 3161677 3533639 22131739 24735473 60071863 420503041