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75436164 = 2233698483
BaseRepresentation
bin1000111111100…
…01000010000100
312020221112222000
410133301002010
5123302424124
611252505300
71604124336
oct437610204
9166845860
1075436164
1139644341
122131b230
1312822cab
14a039456
1569516c9
hex47f1084

75436164 has 24 divisors (see below), whose sum is σ = 195575520. Its totient is φ = 25145352.

The previous prime is 75436129. The next prime is 75436169. The reversal of 75436164 is 46163457.

It is a happy number.

It is a super-2 number, since 2×754361642 = 11381229678069792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (75436169) 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 7 ways as a sum of consecutive naturals, for example, 349134 + ... + 349349.

It is an arithmetic number, because the mean of its divisors is an integer number (8148980).

Almost surely, 275436164 is an apocalyptic number.

It is an amenable number.

75436164 is an abundant number, since it is smaller than the sum of its proper divisors (120139356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75436164 is a wasteful number, since it uses less digits than its factorization.

75436164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698496 (or 698488 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 75436164 is about 8685.3994726783. The cubic root of 75436164 is about 422.5322529444.

The spelling of 75436164 in words is "seventy-five million, four hundred thirty-six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 698483 1396966 2095449 2793932 4190898 6286347 8381796 12572694 18859041 25145388 37718082 75436164