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2442771140 = 225177184621
BaseRepresentation
bin1001000110011001…
…1011101011000100
320022020111122001012
42101212123223010
520000322134030
61042221021352
7114351132515
oct22146335304
96266448035
102442771140
111043976127
125820b4858
132cc112914
141925d4a0c
15e46c4095
hex9199bac4

2442771140 has 24 divisors (see below), whose sum is σ = 5431574232. Its totient is φ = 919631360.

The previous prime is 2442771137. The next prime is 2442771173. The reversal of 2442771140 is 411772442.

It can be written as a sum of positive squares in 4 ways, for example, as 392673856 + 2050097284 = 19816^2 + 45278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2442771097 and 2442771106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591971 + ... + 3592650.

It is an arithmetic number, because the mean of its divisors is an integer number (226315593).

Almost surely, 22442771140 is an apocalyptic number.

2442771140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442771140 is an abundant number, since it is smaller than the sum of its proper divisors (2988803092).

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

2442771140 is a wasteful number, since it uses less digits than its factorization.

2442771140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184647 (or 7184645 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2442771140 is about 49424.3982259774. The cubic root of 2442771140 is about 1346.7725628529.

The spelling of 2442771140 in words is "two billion, four hundred forty-two million, seven hundred seventy-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 7184621 14369242 28738484 35923105 71846210 122138557 143692420 244277114 488554228 610692785 1221385570 2442771140