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6420526230 = 235214017541
BaseRepresentation
bin1011111101011000…
…10111010010010110
3121120110100112012210
411332230113102112
5101122123314410
62541034054250
7315051400236
oct57654272226
917513315183
106420526230
1127a5246428
1212b227a386
137b4246161
1444c9d7cc6
15278a03220
hex17eb17496

6420526230 has 16 divisors (see below), whose sum is σ = 15409263024. Its totient is φ = 1712140320.

The previous prime is 6420526213. The next prime is 6420526271. The reversal of 6420526230 is 326250246.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 214017541 = 6420526230 / (6 + 4 + 2 + 0 + 5 + 2 + 6 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107008741 + ... + 107008800.

It is an arithmetic number, because the mean of its divisors is an integer number (963078939).

Almost surely, 26420526230 is an apocalyptic number.

6420526230 is an abundant number, since it is smaller than the sum of its proper divisors (8988736794).

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

6420526230 is a wasteful number, since it uses less digits than its factorization.

6420526230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214017551.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6420526230 is about 80128.1862393003. The cubic root of 6420526230 is about 1858.6182968976.

Adding to 6420526230 its reverse (326250246), we get a palindrome (6746776476).

The spelling of 6420526230 in words is "six billion, four hundred twenty million, five hundred twenty-six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 214017541 428035082 642052623 1070087705 1284105246 2140175410 3210263115 6420526230