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75830828 = 2218957707
BaseRepresentation
bin1001000010100…
…01011000101100
312021200121100012
410201101120230
5123403041303
611305152352
71610360063
oct441213054
9167617305
1075830828
1139893907
122148b6b8
1312930818
14a0dd1da
1569cd5d8
hex485162c

75830828 has 6 divisors (see below), whose sum is σ = 132703956. Its totient is φ = 37915412.

The previous prime is 75830827. The next prime is 75830849. The reversal of 75830828 is 82803857.

It is not an unprimeable number, because it can be changed into a prime (75830827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9478850 + ... + 9478857.

It is an arithmetic number, because the mean of its divisors is an integer number (22117326).

Almost surely, 275830828 is an apocalyptic number.

It is an amenable number.

75830828 is a deficient number, since it is larger than the sum of its proper divisors (56873128).

75830828 is a wasteful number, since it uses less digits than its factorization.

75830828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957711 (or 18957709 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 75830828 is about 8708.0898020174. The cubic root of 75830828 is about 423.2678342598.

The spelling of 75830828 in words is "seventy-five million, eight hundred thirty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 18957707 37915414 75830828