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75050141 = 307244463
BaseRepresentation
bin1000111100100…
…10110010011101
312020012221102212
410132102302131
5123203101031
611240330205
71600626035
oct436226235
9166187385
1075050141
1139400311
1221173965
131271938a
149d788c5
1568c712b
hex4792c9d

75050141 has 4 divisors (see below), whose sum is σ = 75294912. Its totient is φ = 74805372.

The previous prime is 75050111. The next prime is 75050167. The reversal of 75050141 is 14105057.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75050141 - 218 = 74787997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75050111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121925 + ... + 122538.

It is an arithmetic number, because the mean of its divisors is an integer number (18823728).

Almost surely, 275050141 is an apocalyptic number.

It is an amenable number.

75050141 is a deficient number, since it is larger than the sum of its proper divisors (244771).

75050141 is a wasteful number, since it uses less digits than its factorization.

75050141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244770.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 75050141 is about 8663.1484461482. The cubic root of 75050141 is about 421.8102907317.

Adding to 75050141 its reverse (14105057), we get a palindrome (89155198).

The spelling of 75050141 in words is "seventy-five million, fifty thousand, one hundred forty-one".

Divisors: 1 307 244463 75050141