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97938000 = 2432535441
BaseRepresentation
bin1011101011001…
…10101001010000
320211021202200100
411311212221100
5200033004000
613415052400
72266313346
oct565465120
9224252610
1097938000
11503132a6
1228971100
13173a10a4
14d015996
1588e8a00
hex5d66a50

97938000 has 120 divisors (see below), whose sum is σ = 342127656. Its totient is φ = 26112000.

The previous prime is 97937999. The next prime is 97938007. The reversal of 97938000 is 83979.

It can be written as a sum of positive squares in 4 ways, for example, as 876096 + 97061904 = 936^2 + 9852^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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 (97938007) 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 23 ways as a sum of consecutive naturals, for example, 15280 + ... + 20720.

Almost surely, 297938000 is an apocalyptic number.

97938000 is a gapful number since it is divisible by the number (90) 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 97938000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171063828).

97938000 is an abundant number, since it is smaller than the sum of its proper divisors (244189656).

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

97938000 is a wasteful number, since it uses less digits than its factorization.

97938000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470 (or 5451 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 97938000 is about 9896.3629682828. The cubic root of 97938000 is about 460.9463818072.

The spelling of 97938000 in words is "ninety-seven million, nine hundred thirty-eight thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 720 750 900 1000 1125 1200 1500 1800 2000 2250 3000 3600 4500 5441 6000 9000 10882 16323 18000 21764 27205 32646 43528 48969 54410 65292 81615 87056 97938 108820 130584 136025 163230 195876 217640 244845 261168 272050 326460 391752 408075 435280 489690 544100 652920 680125 783504 816150 979380 1088200 1224225 1305840 1360250 1632300 1958760 2040375 2176400 2448450 2720500 3264600 3917520 4080750 4896900 5441000 6121125 6529200 8161500 9793800 10882000 12242250 16323000 19587600 24484500 32646000 48969000 97938000