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75834427 = 233297149
BaseRepresentation
bin1001000010100…
…10010000111011
312021200210021111
410201102100323
5123403200202
611305221151
71610403424
oct441222073
9167623244
1075834427
1139896589
12214917b7
1312932356
14a10064b
1569ce6d7
hex485243b

75834427 has 4 divisors (see below), whose sum is σ = 79131600. Its totient is φ = 72537256.

The previous prime is 75834397. The next prime is 75834457. The reversal of 75834427 is 72443857.

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

It is an interprime number because it is at equal distance from previous prime (75834397) and next prime (75834457).

It is a cyclic number.

It is not a de Polignac number, because 75834427 - 27 = 75834299 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75834427.

It is not an unprimeable number, because it can be changed into a prime (75834457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1648552 + ... + 1648597.

It is an arithmetic number, because the mean of its divisors is an integer number (19782900).

Almost surely, 275834427 is an apocalyptic number.

75834427 is a deficient number, since it is larger than the sum of its proper divisors (3297173).

75834427 is a wasteful number, since it uses less digits than its factorization.

75834427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297172.

The product of its digits is 188160, while the sum is 40.

The square root of 75834427 is about 8708.2964464929. The cubic root of 75834427 is about 423.2745303792.

The spelling of 75834427 in words is "seventy-five million, eight hundred thirty-four thousand, four hundred twenty-seven".

Divisors: 1 23 3297149 75834427