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2055251420 = 225102762571
BaseRepresentation
bin111101010000000…
…1010010111011100
312022020022120220222
41322200022113130
513202121021140
6535535100512
7101634230435
oct17240122734
95266276828
102055251420
119651548a2
12494371738
13269a50b01
14156d5c48c
15c06785b5
hex7a80a5dc

2055251420 has 12 divisors (see below), whose sum is σ = 4316028024. Its totient is φ = 822100560.

The previous prime is 2055251389. The next prime is 2055251447. The reversal of 2055251420 is 241525502.

It is a self number, because there is not a number n which added to its sum of digits gives 2055251420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51381266 + ... + 51381305.

It is an arithmetic number, because the mean of its divisors is an integer number (359669002).

Almost surely, 22055251420 is an apocalyptic number.

2055251420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055251420 is an abundant number, since it is smaller than the sum of its proper divisors (2260776604).

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

2055251420 is a wasteful number, since it uses less digits than its factorization.

2055251420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102762580 (or 102762578 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2055251420 is about 45334.8808314304. The cubic root of 2055251420 is about 1271.4178927088.

Adding to 2055251420 its reverse (241525502), we get a palindrome (2296776922).

The spelling of 2055251420 in words is "two billion, fifty-five million, two hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 102762571 205525142 411050284 513812855 1027625710 2055251420