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2782042242 = 23782180681
BaseRepresentation
bin1010010111010010…
…1001100010000010
321011212220101111120
42211310221202002
521144200322432
61140020453110
7125640653220
oct24564514202
97155811446
102782042242
1111a8432571
1265784a196
133544b0555
141c56abb10
1511438dc2c
hexa5d29882

2782042242 has 32 divisors (see below), whose sum is σ = 6366777984. Its totient is φ = 793891200.

The previous prime is 2782042217. The next prime is 2782042279. The reversal of 2782042242 is 2422402872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859 + ... + 74822.

It is an arithmetic number, because the mean of its divisors is an integer number (198961812).

Almost surely, 22782042242 is an apocalyptic number.

2782042242 is an abundant number, since it is smaller than the sum of its proper divisors (3584735742).

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

2782042242 is a wasteful number, since it uses less digits than its factorization.

2782042242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81514.

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 2782042242 is about 52745.0684140233. The cubic root of 2782042242 is about 1406.4400987139.

The spelling of 2782042242 in words is "two billion, seven hundred eighty-two million, forty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 821 1642 2463 4926 5747 11494 17241 34482 80681 161362 242043 484086 564767 1129534 1694301 3388602 66239101 132478202 198717303 397434606 463673707 927347414 1391021121 2782042242