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82090368 = 273323753
BaseRepresentation
bin1001110010010…
…01100110000000
312201110121211000
410321021212000
5132003342433
612051252000
72014520343
oct471114600
9181417730
1082090368
1142379788
12235aa000
13140129a9
14ac8c45a
157318113
hex4e49980

82090368 has 64 divisors (see below), whose sum is σ = 242290800. Its totient is φ = 27362304.

The previous prime is 82090361. The next prime is 82090391. The reversal of 82090368 is 86309028.

It is a tau number, because it is divible by the number of its divisors (64).

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 (82090361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8421 + ... + 15332.

Almost surely, 282090368 is an apocalyptic number.

It is an amenable number.

82090368 is an abundant number, since it is smaller than the sum of its proper divisors (160200432).

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

82090368 is a wasteful number, since it uses less digits than its factorization.

82090368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23776 (or 23758 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 82090368 is about 9060.3735022349. The cubic root of 82090368 is about 434.6076843366.

The spelling of 82090368 in words is "eighty-two million, ninety thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 23753 47506 71259 95012 142518 190024 213777 285036 380048 427554 570072 641331 760096 855108 1140144 1282662 1520192 1710216 2280288 2565324 3040384 3420432 4560576 5130648 6840864 9121152 10261296 13681728 20522592 27363456 41045184 82090368