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65889054 = 232711137347
BaseRepresentation
bin1111101101011…
…0001100011110
311120222111210100
43323112030132
5113331422204
610312121530
71430022240
oct373261436
9146874710
1065889054
1134213470
121a0962a6
131085c60a
148a72090
155bb7a39
hex3ed631e

65889054 has 96 divisors (see below), whose sum is σ = 179801856. Its totient is φ = 16940160.

The previous prime is 65889049. The next prime is 65889077. The reversal of 65889054 is 45098856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189709 + ... + 190055.

It is an arithmetic number, because the mean of its divisors is an integer number (1872936).

Almost surely, 265889054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65889054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89900928).

65889054 is an abundant number, since it is smaller than the sum of its proper divisors (113912802).

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

65889054 is a wasteful number, since it uses less digits than its factorization.

65889054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 65889054 is about 8117.2072783686. The cubic root of 65889054 is about 403.8974309102.

The spelling of 65889054 in words is "sixty-five million, eight hundred eighty-nine thousand, fifty-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 137 154 198 231 274 347 411 462 693 694 822 959 1041 1233 1386 1507 1918 2082 2429 2466 2877 3014 3123 3817 4521 4858 5754 6246 7287 7634 8631 9042 10549 11451 13563 14574 17262 21098 21861 22902 26719 27126 31647 34353 43722 47539 53438 63294 68706 80157 94941 95078 142617 160314 189882 240471 285234 332773 427851 480942 522929 665546 855702 998319 1045858 1568787 1996638 2994957 3137574 3660503 4706361 5989914 7321006 9412722 10981509 21963018 32944527 65889054