Search a number
-
+
75884057 = 227353947
BaseRepresentation
bin1001000010111…
…10011000011001
312021210022100122
410201132120121
5123411242212
611310243025
71611001214
oct441363031
9167708318
1075884057
113991a8a7
12214b6475
131294bb12
14a11477b
1569de272
hex485e619

75884057 has 8 divisors (see below), whose sum is σ = 76514976. Its totient is φ = 75256192.

The previous prime is 75884051. The next prime is 75884099. The reversal of 75884057 is 75048857.

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 75884057 - 210 = 75883033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75883999 and 75884017.

It is not an unprimeable number, because it can be changed into a prime (75884051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79658 + ... + 80604.

It is an arithmetic number, because the mean of its divisors is an integer number (9564372).

Almost surely, 275884057 is an apocalyptic number.

It is an amenable number.

75884057 is a deficient number, since it is larger than the sum of its proper divisors (630919).

75884057 is a wasteful number, since it uses less digits than its factorization.

75884057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 75884057 is about 8711.1455618650. The cubic root of 75884057 is about 423.3668478781.

The spelling of 75884057 in words is "seventy-five million, eight hundred eighty-four thousand, fifty-seven".

Divisors: 1 227 353 947 80131 214969 334291 75884057