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75427808 = 252357119
BaseRepresentation
bin1000111111011…
…10111111100000
312020221010111112
410133232333200
5123302142213
611252402452
71604061101
oct437567740
9166833445
1075427808
1139639035
1221316428
131281c251
14a0363a8
15694dea8
hex47eefe0

75427808 has 12 divisors (see below), whose sum is σ = 148498560. Its totient is φ = 37713888.

The previous prime is 75427801. The next prime is 75427813. The reversal of 75427808 is 80872457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75427801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178528 + ... + 1178591.

It is an arithmetic number, because the mean of its divisors is an integer number (12374880).

Almost surely, 275427808 is an apocalyptic number.

It is an amenable number.

75427808 is a deficient number, since it is larger than the sum of its proper divisors (73070752).

75427808 is a wasteful number, since it uses less digits than its factorization.

75427808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357129 (or 2357121 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 75427808 is about 8684.9184221845. The cubic root of 75427808 is about 422.5166511883.

The spelling of 75427808 in words is "seventy-five million, four hundred twenty-seven thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 2357119 4714238 9428476 18856952 37713904 75427808