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45000288 = 25323741103
BaseRepresentation
bin1010101110101…
…0011001100000
310010200020210100
42223222121200
543010002123
64244302400
71054332114
oct253523140
9103606710
1045000288
1123446423
12130a1a00
1394277b8
145d95744
153e3d643
hex2aea660

45000288 has 144 divisors (see below), whose sum is σ = 135940896. Its totient is φ = 14100480.

The previous prime is 45000287. The next prime is 45000299. The reversal of 45000288 is 88200054.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436845 + ... + 436947.

It is an arithmetic number, because the mean of its divisors is an integer number (944034).

Almost surely, 245000288 is an apocalyptic number.

45000288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45000288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67970448).

45000288 is an abundant number, since it is smaller than the sum of its proper divisors (90940608).

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

45000288 is a wasteful number, since it uses less digits than its factorization.

45000288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 45000288 is about 6708.2253987176. The cubic root of 45000288 is about 355.6900892513.

It can be divided in two parts, 45000 and 288, that multiplied together give a 4-th power (12960000 = 604).

The spelling of 45000288 in words is "forty-five million, two hundred eighty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 41 48 72 74 82 96 103 111 123 144 148 164 206 222 246 288 296 309 328 333 369 412 444 492 592 618 656 666 738 824 888 927 984 1184 1236 1312 1332 1476 1517 1648 1776 1854 1968 2472 2664 2952 3034 3296 3552 3708 3811 3936 4223 4551 4944 5328 5904 6068 7416 7622 8446 9102 9888 10656 11433 11808 12136 12669 13653 14832 15244 16892 18204 22866 24272 25338 27306 29664 30488 33784 34299 36408 38007 45732 48544 50676 54612 60976 67568 68598 72816 76014 91464 101352 109224 121952 135136 137196 145632 152028 156251 182928 202704 218448 274392 304056 312502 365856 405408 436896 468753 548784 608112 625004 937506 1097568 1216224 1250008 1406259 1875012 2500016 2812518 3750024 5000032 5625036 7500048 11250072 15000096 22500144 45000288