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75045112 = 239380639
BaseRepresentation
bin1000111100100…
…01100011111000
312020012200112121
410132101203320
5123202420422
611240251024
71600605262
oct436214370
9166180477
1075045112
11393a755a
1221170a74
1312716cbc
149d76b32
1568c58c7
hex47918f8

75045112 has 8 divisors (see below), whose sum is σ = 140709600. Its totient is φ = 37522552.

The previous prime is 75045107. The next prime is 75045119. The reversal of 75045112 is 21154057.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75045119) 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 as a sum of consecutive naturals, namely, 4690312 + ... + 4690327.

It is an arithmetic number, because the mean of its divisors is an integer number (17588700).

Almost surely, 275045112 is an apocalyptic number.

It is an amenable number.

75045112 is a deficient number, since it is larger than the sum of its proper divisors (65664488).

75045112 is a wasteful number, since it uses less digits than its factorization.

75045112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380645 (or 9380641 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 75045112 is about 8662.8581888428. The cubic root of 75045112 is about 421.8008688914.

Adding to 75045112 its reverse (21154057), we get a palindrome (96199169).

It can be divided in two parts, 75045 and 112, that added together give a palindrome (75157).

The spelling of 75045112 in words is "seventy-five million, forty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 9380639 18761278 37522556 75045112