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420200110 = 251123307541
BaseRepresentation
bin11001000010111…
…011111010101110
31002021200101012001
4121002323322232
51330032400420
6105410202514
713261433131
oct3102737256
91067611161
10420200110
111a6212620
12b888343a
1369094b25
143db42218
1526d53b0a
hex190bbeae

420200110 has 64 divisors (see below), whose sum is σ = 865396224. Its totient is φ = 145411200.

The previous prime is 420200093. The next prime is 420200113. The reversal of 420200110 is 11002024.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420200113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776440 + ... + 776980.

It is an arithmetic number, because the mean of its divisors is an integer number (13521816).

Almost surely, 2420200110 is an apocalyptic number.

420200110 is an abundant number, since it is smaller than the sum of its proper divisors (445196114).

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

420200110 is a wasteful number, since it uses less digits than its factorization.

420200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 420200110 is about 20498.7831346156. The cubic root of 420200110 is about 749.0061562070.

Adding to 420200110 its reverse (11002024), we get a palindrome (431202134).

The spelling of 420200110 in words is "four hundred twenty million, two hundred thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 307 506 541 614 1082 1265 1535 2530 2705 3070 3377 5410 5951 6754 7061 11902 12443 14122 16885 24886 29755 33770 35305 59510 62215 70610 77671 124430 136873 155342 166087 273746 332174 388355 684365 776710 830435 1368730 1660870 1826957 3653914 3820001 7640002 9134785 18269570 19100005 38200010 42020011 84040022 210100055 420200110