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420620000 = 255421031
BaseRepresentation
bin11001000100100…
…010011011100000
31002022110201011112
4121010202123200
51330134320000
6105423202452
713265132243
oct3104423340
91068421145
10420620000
111a647a039
12b8a46428
13691b0c98
143dc1125a
1526dd8235
hex191226e0

420620000 has 60 divisors (see below), whose sum is σ = 1034837496. Its totient is φ = 168240000.

The previous prime is 420619999. The next prime is 420620017. The reversal of 420620000 is 26024.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9485 + ... + 30515.

Almost surely, 2420620000 is an apocalyptic number.

420620000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517418748).

420620000 is an abundant number, since it is smaller than the sum of its proper divisors (614217496).

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

420620000 is an equidigital number, since it uses as much as digits as its factorization.

420620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21061 (or 21038 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 420620000 is about 20509.0224047857. The cubic root of 420620000 is about 749.2555576148.

Adding to 420620000 its reverse (26024), we get a palindrome (420646024).

The spelling of 420620000 in words is "four hundred twenty million, six hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 21031 42062 84124 105155 168248 210310 336496 420620 525775 672992 841240 1051550 1682480 2103100 2628875 3364960 4206200 5257750 8412400 10515500 13144375 16824800 21031000 26288750 42062000 52577500 84124000 105155000 210310000 420620000