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97141872 = 2433783659
BaseRepresentation
bin1011100101001…
…00010001110000
320202210022121010
411302210101300
5144332014442
613350030520
72256456312
oct562442160
9222708533
1097141872
114a91a143
1228648440
13171828c9
14cc897b2
1587dcb9c
hex5ca4470

97141872 has 80 divisors (see below), whose sum is σ = 261233280. Its totient is φ = 31078656.

The previous prime is 97141867. The next prime is 97141883. The reversal of 97141872 is 27814179.

Its product of digits (28224) is a multiple of the sum of its prime divisors (784).

It is a self number, because there is not a number n which added to its sum of digits gives 97141872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147079 + ... + 147737.

It is an arithmetic number, because the mean of its divisors is an integer number (3265416).

Almost surely, 297141872 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 97141872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130616640).

97141872 is an abundant number, since it is smaller than the sum of its proper divisors (164091408).

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

97141872 is a wasteful number, since it uses less digits than its factorization.

97141872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 97141872 is about 9856.0576297016. The cubic root of 97141872 is about 459.6939867672.

The spelling of 97141872 in words is "ninety-seven million, one hundred forty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 83 111 148 166 222 249 296 332 444 498 592 659 664 888 996 1318 1328 1776 1977 1992 2636 3071 3954 3984 5272 6142 7908 9213 10544 12284 15816 18426 24383 24568 31632 36852 48766 49136 54697 73149 73704 97532 109394 146298 147408 164091 195064 218788 292596 328182 390128 437576 585192 656364 875152 1170384 1312728 2023789 2625456 4047578 6071367 8095156 12142734 16190312 24285468 32380624 48570936 97141872