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75008952 = 23327271433
BaseRepresentation
bin1000111100010…
…00101110111000
312020010211221100
410132020232320
5123200241302
611235411400
71600364664
oct436105670
9166124840
1075008952
1139382377
1221153b60
13127036c5
149d678a4
1568b9d1c
hex4788bb8

75008952 has 48 divisors (see below), whose sum is σ = 203570640. Its totient is φ = 24951168.

The previous prime is 75008951. The next prime is 75008959. The reversal of 75008952 is 25980057.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75008951) 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 11 ways as a sum of consecutive naturals, for example, 51628 + ... + 53060.

It is an arithmetic number, because the mean of its divisors is an integer number (4241055).

Almost surely, 275008952 is an apocalyptic number.

75008952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75008952 is an abundant number, since it is smaller than the sum of its proper divisors (128561688).

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

75008952 is a wasteful number, since it uses less digits than its factorization.

75008952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 75008952 is about 8660.7708663837. The cubic root of 75008952 is about 421.7331106705.

The spelling of 75008952 in words is "seventy-five million, eight thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 727 1433 1454 2181 2866 2908 4299 4362 5732 5816 6543 8598 8724 11464 12897 13086 17196 17448 25794 26172 34392 51588 52344 103176 1041791 2083582 3125373 4167164 6250746 8334328 9376119 12501492 18752238 25002984 37504476 75008952