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53035668 = 2233731273
BaseRepresentation
bin1100101001010…
…0001010010100
310200210111021000
43022110022110
5102034120133
65132423300
71212536640
oct312241224
9120714230
1053035668
1127a34534
1215917b30
13acac06a
147087c20
1549c9413
hex3294294

53035668 has 144 divisors (see below), whose sum is σ = 164599680. Its totient is φ = 14463360.

The previous prime is 53035667. The next prime is 53035679. The reversal of 53035668 is 86653035.

It is a super-3 number, since 3×530356683 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53035667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726480 + ... + 726552.

Almost surely, 253035668 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 53035668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82299840).

53035668 is an abundant number, since it is smaller than the sum of its proper divisors (111564012).

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

53035668 is a wasteful number, since it uses less digits than its factorization.

53035668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 53035668 is about 7282.5591655681. The cubic root of 53035668 is about 375.7128201745.

The spelling of 53035668 in words is "fifty-three million, thirty-five thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 54 62 63 73 84 93 108 124 126 146 186 189 217 219 252 279 292 372 378 434 438 511 558 651 657 756 837 868 876 961 1022 1116 1302 1314 1533 1674 1922 1953 1971 2044 2263 2604 2628 2883 3066 3348 3844 3906 3942 4526 4599 5766 5859 6132 6727 6789 7812 7884 8649 9052 9198 11532 11718 13454 13578 13797 15841 17298 18396 20181 20367 23436 25947 26908 27156 27594 31682 34596 40362 40734 47523 51894 55188 60543 61101 63364 70153 80724 81468 95046 103788 121086 122202 140306 142569 181629 190092 210459 242172 244404 280612 285138 363258 420918 427707 491071 570276 631377 726516 841836 855414 982142 1262754 1473213 1710828 1894131 1964284 2525508 2946426 3788262 4419639 5892852 7576524 8839278 13258917 17678556 26517834 53035668