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65230656 = 263437901
BaseRepresentation
bin1111100011010…
…1011101000000
311112202001122020
43320311131000
5113144340111
610250041440
71421310561
oct370653500
9145661566
1065230656
1133903837
1219a19280
131068ba2a
148940168
155ad7906
hex3e35740

65230656 has 56 divisors (see below), whose sum is σ = 176625504. Its totient is φ = 21235200.

The previous prime is 65230639. The next prime is 65230679. The reversal of 65230656 is 65603256.

65230656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 4306 + ... + 12206.

Almost surely, 265230656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65230656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88312752).

65230656 is an abundant number, since it is smaller than the sum of its proper divisors (111394848).

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

65230656 is a wasteful number, since it uses less digits than its factorization.

65230656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959 (or 7949 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 65230656 is about 8076.5497584055. The cubic root of 65230656 is about 402.5476064725.

The spelling of 65230656 in words is "sixty-five million, two hundred thirty thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 129 172 192 258 344 516 688 1032 1376 2064 2752 4128 7901 8256 15802 23703 31604 47406 63208 94812 126416 189624 252832 339743 379248 505664 679486 758496 1019229 1358972 1516992 2038458 2717944 4076916 5435888 8153832 10871776 16307664 21743552 32615328 65230656