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65135896 = 2372891867
BaseRepresentation
bin1111100001111…
…0010100011000
311112120020122121
43320132110120
5113133322041
610244031024
71420434400
oct370362430
9145506577
1065135896
1133849621
1219992474
1310657867
148917800
155ab97d1
hex3e1e518

65135896 has 48 divisors (see below), whose sum is σ = 143742600. Its totient is φ = 27586944.

The previous prime is 65135881. The next prime is 65135899. The reversal of 65135896 is 69853156.

65135896 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 not an unprimeable number, because it can be changed into a prime (65135899) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33955 + ... + 35821.

Almost surely, 265135896 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 65135896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71871300).

65135896 is an abundant number, since it is smaller than the sum of its proper divisors (78606704).

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

65135896 is a wasteful number, since it uses less digits than its factorization.

65135896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1965 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 65135896 is about 8070.6812599681. The cubic root of 65135896 is about 402.3525862186.

The spelling of 65135896 in words is "sixty-five million, one hundred thirty-five thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 49 56 89 98 178 196 356 392 623 712 1246 1867 2492 3734 4361 4984 7468 8722 13069 14936 17444 26138 34888 52276 91483 104552 166163 182966 332326 365932 664652 731864 1163141 1329304 2326282 4652564 8141987 9305128 16283974 32567948 65135896