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7828558325 = 52773797757
BaseRepresentation
bin1110100101001111…
…00101000111110101
3202012120210222010122
413102213211013311
5112013102331300
63332453101325
7364666435130
oct72247450765
922176728118
107828558325
113358020815
121625927845
13979b77843
145439db217
1530c432c85
hex1d29e51f5

7828558325 has 48 divisors (see below), whose sum is σ = 11389985280. Its totient is φ = 5226923520.

The previous prime is 7828558321. The next prime is 7828558333. The reversal of 7828558325 is 5238558287.

It is not a de Polignac number, because 7828558325 - 22 = 7828558321 is a prime.

It is a super-2 number, since 2×78285583252 (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 (7828558321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1005347 + ... + 1013103.

It is an arithmetic number, because the mean of its divisors is an integer number (237291360).

Almost surely, 27828558325 is an apocalyptic number.

It is an amenable number.

7828558325 is a deficient number, since it is larger than the sum of its proper divisors (3561426955).

7828558325 is a wasteful number, since it uses less digits than its factorization.

7828558325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926 (or 7921 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 53.

The square root of 7828558325 is about 88479.1406208266. The cubic root of 7828558325 is about 1985.6099046468.

The spelling of 7828558325 in words is "seven billion, eight hundred twenty-eight million, five hundred fifty-eight thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 73 79 175 365 395 511 553 1825 1975 2555 2765 5767 7757 12775 13825 28835 38785 40369 54299 144175 193925 201845 271495 566261 612803 1009225 1357475 2831305 3064015 3963827 4289621 14156525 15320075 19819135 21448105 44734619 99095675 107240525 223673095 313142333 1118365475 1565711665 7828558325