Search a number
-
+
75023161 = 375934367
BaseRepresentation
bin1000111100011…
…00001100111001
312020011120102121
410132030030321
5123201220121
611240001241
71600454263
oct436141471
9166146377
1075023161
1139392014
1221160221
131270a005
149d6cb33
1568be141
hex478c339

75023161 has 8 divisors (see below), whose sum is σ = 78359040. Its totient is φ = 71756208.

The previous prime is 75023149. The next prime is 75023209. The reversal of 75023161 is 16132057.

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

It is a cyclic number.

It is not a de Polignac number, because 75023161 - 25 = 75023129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75023101) 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 in 7 ways as a sum of consecutive naturals, for example, 15001 + ... + 19366.

It is an arithmetic number, because the mean of its divisors is an integer number (9794880).

Almost surely, 275023161 is an apocalyptic number.

It is an amenable number.

75023161 is a deficient number, since it is larger than the sum of its proper divisors (3335879).

75023161 is a wasteful number, since it uses less digits than its factorization.

75023161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34463.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 75023161 is about 8661.5911355824. The cubic root of 75023161 is about 421.7597387252.

The spelling of 75023161 in words is "seventy-five million, twenty-three thousand, one hundred sixty-one".

Divisors: 1 37 59 2183 34367 1271579 2027653 75023161