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2042043420 = 223567507971
BaseRepresentation
bin111100110110111…
…0001110000011100
312021022110112221210
41321231301300130
513140230342140
6534344024420
7101414040234
oct17155616034
95238415853
102042043420
1195875349a
1248ba62110
132670a8021
141552c0cc4
15be419d80
hex79b71c1c

2042043420 has 48 divisors (see below), whose sum is σ = 5803072128. Its totient is φ = 536416320.

The previous prime is 2042043407. The next prime is 2042043427. The reversal of 2042043420 is 243402402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042043427) 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 15 ways as a sum of consecutive naturals, for example, 249966 + ... + 258005.

It is an arithmetic number, because the mean of its divisors is an integer number (120897336).

Almost surely, 22042043420 is an apocalyptic number.

2042043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042043420 is an abundant number, since it is smaller than the sum of its proper divisors (3761028708).

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

2042043420 is a wasteful number, since it uses less digits than its factorization.

2042043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508050 (or 508048 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2042043420 is about 45188.9745402571. The cubic root of 2042043420 is about 1268.6884635478.

Adding to 2042043420 its reverse (243402402), we get a palindrome (2285445822).

The spelling of 2042043420 in words is "two billion, forty-two million, forty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 4020 507971 1015942 1523913 2031884 2539855 3047826 5079710 6095652 7619565 10159420 15239130 30478260 34034057 68068114 102102171 136136228 170170285 204204342 340340570 408408684 510510855 680681140 1021021710 2042043420