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75345130 = 2571076359
BaseRepresentation
bin1000111110110…
…10110011101010
312020202221002101
410133122303222
5123242021010
611250524014
71603265050
oct437326352
9166687071
1075345130
1139591a03
122129660a
13127c0723
14a0141d0
15693473a
hex47dacea

75345130 has 16 divisors (see below), whose sum is σ = 154995840. Its totient is φ = 25832592.

The previous prime is 75345121. The next prime is 75345157. The reversal of 75345130 is 3154357.

It is a super-2 number, since 2×753451302 = 11353777229433800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538110 + ... + 538249.

It is an arithmetic number, because the mean of its divisors is an integer number (9687240).

Almost surely, 275345130 is an apocalyptic number.

75345130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75345130 is an abundant number, since it is smaller than the sum of its proper divisors (79650710).

75345130 is a wasteful number, since it uses less digits than its factorization.

75345130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076373.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 75345130 is about 8680.1572566400. The cubic root of 75345130 is about 422.3622182989.

Adding to 75345130 its reverse (3154357), we get a palindrome (78499487).

The spelling of 75345130 in words is "seventy-five million, three hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1076359 2152718 5381795 7534513 10763590 15069026 37672565 75345130