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75019072 = 261677019
BaseRepresentation
bin1000111100010…
…11001101000000
312020011100211011
410132023031000
5123201102242
611235530304
71600436332
oct436131500
9166140734
1075019072
1139389a37
1221159994
13127081ab
149d6b452
1568bcd17
hex478b340

75019072 has 28 divisors (see below), whose sum is σ = 149778720. Its totient is φ = 37279616.

The previous prime is 75019069. The next prime is 75019073. The reversal of 75019072 is 27091057.

It is a super-2 number, since 2×750190722 = 11255722327482368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75019073) 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 3 ways as a sum of consecutive naturals, for example, 7179 + ... + 14197.

It is an arithmetic number, because the mean of its divisors is an integer number (5349240).

Almost surely, 275019072 is an apocalyptic number.

It is an amenable number.

75019072 is a deficient number, since it is larger than the sum of its proper divisors (74759648).

75019072 is a wasteful number, since it uses less digits than its factorization.

75019072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198 (or 7188 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 75019072 is about 8661.3550902847. The cubic root of 75019072 is about 421.7520761719.

The spelling of 75019072 in words is "seventy-five million, nineteen thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 167 334 668 1336 2672 5344 7019 10688 14038 28076 56152 112304 224608 449216 1172173 2344346 4688692 9377384 18754768 37509536 75019072