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75904869 = 333775079
BaseRepresentation
bin1001000011000…
…11011101100101
312021211100220110
410201203131211
5123412423434
611310523233
71611115665
oct441433545
9167740813
1075904869
11399344a7
1221506519
1312958431
14a11c1a5
1569e54e9
hex4863765

75904869 has 8 divisors (see below), whose sum is σ = 101508160. Its totient is φ = 50452416.

The previous prime is 75904849. The next prime is 75904897. The reversal of 75904869 is 96840957.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75904869 - 29 = 75904357 is a prime.

It is a super-2 number, since 2×759048692 = 11523098275814322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75904819) by changing a digit.

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, 36529 + ... + 38550.

It is an arithmetic number, because the mean of its divisors is an integer number (12688520).

Almost surely, 275904869 is an apocalyptic number.

It is an amenable number.

75904869 is a deficient number, since it is larger than the sum of its proper divisors (25603291).

75904869 is a wasteful number, since it uses less digits than its factorization.

75904869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75419.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 75904869 is about 8712.3400415732. The cubic root of 75904869 is about 423.4055486092.

The spelling of 75904869 in words is "seventy-five million, nine hundred four thousand, eight hundred sixty-nine".

Divisors: 1 3 337 1011 75079 225237 25301623 75904869