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75997000 = 235375997
BaseRepresentation
bin1001000011110…
…01111101001000
312022000001021201
410201321331020
5123423401000
611312513544
71611651412
oct441717510
9168001251
1075997000
1139997742
122154b8b4
131298b351
14a1439b2
156a1296a
hex4879f48

75997000 has 32 divisors (see below), whose sum is σ = 177835320. Its totient is φ = 30398400.

The previous prime is 75996989. The next prime is 75997043. The reversal of 75997000 is 79957.

It can be written as a sum of positive squares in 4 ways, for example, as 20016676 + 55980324 = 4474^2 + 7482^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36999 + ... + 38998.

Almost surely, 275997000 is an apocalyptic number.

It is an amenable number.

75997000 is an abundant number, since it is smaller than the sum of its proper divisors (101838320).

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

75997000 is a wasteful number, since it uses less digits than its factorization.

75997000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76018 (or 76004 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 75997000 is about 8717.6258235829. The cubic root of 75997000 is about 423.5767849001.

The spelling of 75997000 in words is "seventy-five million, nine hundred ninety-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 75997 151994 303988 379985 607976 759970 1519940 1899925 3039880 3799850 7599700 9499625 15199400 18999250 37998500 75997000