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2132554420 = 225106627721
BaseRepresentation
bin111111100011100…
…0011001010110100
312111121202222201001
41333013003022310
513331413220140
6551340013044
7103563261553
oct17707031264
95447688631
102132554420
119a4853777
124b6231184
1327ca78729
14163321d9a
15c7347e9a
hex7f1c32b4

2132554420 has 12 divisors (see below), whose sum is σ = 4478364324. Its totient is φ = 853021760.

The previous prime is 2132554399. The next prime is 2132554517. The reversal of 2132554420 is 244552312.

It can be written as a sum of positive squares in 2 ways, for example, as 377447184 + 1755107236 = 19428^2 + 41894^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 53313841 + ... + 53313880.

It is an arithmetic number, because the mean of its divisors is an integer number (373197027).

Almost surely, 22132554420 is an apocalyptic number.

2132554420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132554420 is an abundant number, since it is smaller than the sum of its proper divisors (2345809904).

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

2132554420 is a wasteful number, since it uses less digits than its factorization.

2132554420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106627730 (or 106627728 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2132554420 is about 46179.5887811921. The cubic root of 2132554420 is about 1287.1624869534.

The spelling of 2132554420 in words is "two billion, one hundred thirty-two million, five hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 106627721 213255442 426510884 533138605 1066277210 2132554420