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75688870 = 2541184607
BaseRepresentation
bin1001000001011…
…10101110100110
312021102101121111
410200232232212
5123334020440
611302135234
71606226155
oct440565646
9167371544
1075688870
11397a7194
122142151a
13128b101a
14a0a359c
1569a14ea
hex482eba6

75688870 has 16 divisors (see below), whose sum is σ = 139563648. Its totient is φ = 29536960.

The previous prime is 75688867. The next prime is 75688889. The reversal of 75688870 is 7888657.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 91894 + ... + 92713.

It is an arithmetic number, because the mean of its divisors is an integer number (8722728).

Almost surely, 275688870 is an apocalyptic number.

75688870 is a deficient number, since it is larger than the sum of its proper divisors (63874778).

75688870 is a wasteful number, since it uses less digits than its factorization.

75688870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184655.

The product of its (nonzero) digits is 752640, while the sum is 49.

The square root of 75688870 is about 8699.9350572289. The cubic root of 75688870 is about 423.0035451381.

The spelling of 75688870 in words is "seventy-five million, six hundred eighty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 41 82 205 410 184607 369214 923035 1846070 7568887 15137774 37844435 75688870