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75550738 = 2128329443
BaseRepresentation
bin1001000000011…
…01000000010010
312021011101010111
410200031000102
5123320110423
611255151534
71605112354
oct440150022
9167141114
1075550738
113971242a
12213755aa
13128631a3
14a0690d4
15697560d
hex480d012

75550738 has 8 divisors (see below), whose sum is σ = 113418288. Its totient is φ = 37744644.

The previous prime is 75550733. The next prime is 75550753. The reversal of 75550738 is 83705557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75550738.

It is not an unprimeable number, because it can be changed into a prime (75550733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12156 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (14177286).

Almost surely, 275550738 is an apocalyptic number.

75550738 is a deficient number, since it is larger than the sum of its proper divisors (37867550).

75550738 is a wasteful number, since it uses less digits than its factorization.

75550738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30728.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 75550738 is about 8691.9927519528. The cubic root of 75550738 is about 422.7460616321.

The spelling of 75550738 in words is "seventy-five million, five hundred fifty thousand, seven hundred thirty-eight".

Divisors: 1 2 1283 2566 29443 58886 37775369 75550738