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7020471428 = 222819622603
BaseRepresentation
bin1101000100111001…
…11110010010000100
3200010021020220022022
412202130332102010
5103334220041203
63120345022312
7335655010505
oct64234762204
920107226268
107020471428
112a82967103
12143b184998
1387b622b09
144a8568bac
152b150ea38
hex1a273e484

7020471428 has 12 divisors (see below), whose sum is σ = 12290202960. Its totient is φ = 3508984872.

The previous prime is 7020471421. The next prime is 7020471463. The reversal of 7020471428 is 8241740207.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7020471421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300026 + ... + 322577.

It is an arithmetic number, because the mean of its divisors is an integer number (1024183580).

Almost surely, 27020471428 is an apocalyptic number.

It is an amenable number.

7020471428 is a deficient number, since it is larger than the sum of its proper divisors (5269731532).

7020471428 is a wasteful number, since it uses less digits than its factorization.

7020471428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625426 (or 625424 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 7020471428 is about 83788.2535204070. The cubic root of 7020471428 is about 1914.7941503971.

The spelling of 7020471428 in words is "seven billion, twenty million, four hundred seventy-one thousand, four hundred twenty-eight".

Divisors: 1 2 4 2819 5638 11276 622603 1245206 2490412 1755117857 3510235714 7020471428