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6428505230 = 257604715187
BaseRepresentation
bin1011111110010101…
…10011010010001110
3121121000100220100022
411333022303102032
5101131144131410
62541521102142
7315206251520
oct57712632216
917530326308
106428505230
1127a97a6144
1212b4a87952
137b5aaab64
1444dab3a10
1527957c455
hex17f2b348e

6428505230 has 32 divisors (see below), whose sum is σ = 13227411456. Its totient is φ = 2203549344.

The previous prime is 6428505211. The next prime is 6428505233. The reversal of 6428505230 is 325058246.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428505233) 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 15 ways as a sum of consecutive naturals, for example, 415697 + ... + 430883.

It is an arithmetic number, because the mean of its divisors is an integer number (413356608).

Almost surely, 26428505230 is an apocalyptic number.

6428505230 is an abundant number, since it is smaller than the sum of its proper divisors (6798906226).

6428505230 is a wasteful number, since it uses less digits than its factorization.

6428505230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21248.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 6428505230 is about 80177.9597520416. The cubic root of 6428505230 is about 1859.3879002961.

The spelling of 6428505230 in words is "six billion, four hundred twenty-eight million, five hundred five thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 6047 12094 15187 30235 30374 42329 60470 75935 84658 106309 151870 211645 212618 423290 531545 1063090 91835789 183671578 459178945 642850523 918357890 1285701046 3214252615 6428505230