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75420682 = 237710341
BaseRepresentation
bin1000111111011…
…01010000001010
312020220202201121
410133231100022
5123301430212
611252305454
71604031241
oct437552012
9166822647
1075420682
1139633747
122131228a
1312818c2c
14a033958
15694bd07
hex47ed40a

75420682 has 4 divisors (see below), whose sum is σ = 113131026. Its totient is φ = 37710340.

The previous prime is 75420661. The next prime is 75420691. The reversal of 75420682 is 28602457.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59428681 + 15992001 = 7709^2 + 3999^2 .

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 as a sum of consecutive naturals, namely, 18855169 + ... + 18855172.

Almost surely, 275420682 is an apocalyptic number.

75420682 is a deficient number, since it is larger than the sum of its proper divisors (37710344).

75420682 is a wasteful number, since it uses less digits than its factorization.

75420682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37710343.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 75420682 is about 8684.5081610878. The cubic root of 75420682 is about 422.5033450945.

The spelling of 75420682 in words is "seventy-five million, four hundred twenty thousand, six hundred eighty-two".

Divisors: 1 2 37710341 75420682