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65331230 = 256533123
BaseRepresentation
bin1111100100111…
…0000000011110
311112221011121012
43321032000132
5113211044410
610252135222
71422210026
oct371160036
9145834535
1065331230
1133972358
1219a67512
13106c5743
148968a86
155b07605
hex3e4e01e

65331230 has 8 divisors (see below), whose sum is σ = 117596232. Its totient is φ = 26132488.

The previous prime is 65331197. The next prime is 65331263. The reversal of 65331230 is 3213356.

65331230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65331197) and next prime (65331263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×653312302 = 8536339226625800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65331196 and 65331205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266552 + ... + 3266571.

It is an arithmetic number, because the mean of its divisors is an integer number (14699529).

Almost surely, 265331230 is an apocalyptic number.

65331230 is a deficient number, since it is larger than the sum of its proper divisors (52265002).

65331230 is a wasteful number, since it uses less digits than its factorization.

65331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533130.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 65331230 is about 8082.7736576005. The cubic root of 65331230 is about 402.7543856975.

Adding to 65331230 its reverse (3213356), we get a palindrome (68544586).

The spelling of 65331230 in words is "sixty-five million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 6533123 13066246 32665615 65331230