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7084742428 = 221771185607
BaseRepresentation
bin1101001100100100…
…01001011100011100
3200021202012012112201
412212102021130130
5104002143224203
63131002341244
7340365213511
oct64622113434
920252165481
107084742428
113006174935
1214587ba824
1388ba36aaa
144b2cd9308
152b6ea7e1d
hex1a648971c

7084742428 has 6 divisors (see below), whose sum is σ = 12398299256. Its totient is φ = 3542371212.

The previous prime is 7084742411. The next prime is 7084742429. The reversal of 7084742428 is 8242474807.

It is a super-2 number, since 2×70847424282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7084742429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885592800 + ... + 885592807.

Almost surely, 27084742428 is an apocalyptic number.

It is an amenable number.

7084742428 is a deficient number, since it is larger than the sum of its proper divisors (5313556828).

7084742428 is a wasteful number, since it uses less digits than its factorization.

7084742428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771185611 (or 1771185609 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 46.

The square root of 7084742428 is about 84170.9120064646. The cubic root of 7084742428 is about 1920.6195942306.

The spelling of 7084742428 in words is "seven billion, eighty-four million, seven hundred forty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 1771185607 3542371214 7084742428