Search a number
-
+
52891097 = 717444463
BaseRepresentation
bin1100100111000…
…0110111011001
310200112010221112
43021300313121
5102020003342
65125350105
71211365310
oct311606731
9120463845
1052891097
1127945956
1215868335
13ac5b30c
14704b277
15499b682
hex3270dd9

52891097 has 8 divisors (see below), whose sum is σ = 64002816. Its totient is φ = 42668352.

The previous prime is 52891061. The next prime is 52891123. The reversal of 52891097 is 79019825.

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 52891097 - 212 = 52887001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52891037) 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, 222113 + ... + 222350.

It is an arithmetic number, because the mean of its divisors is an integer number (8000352).

Almost surely, 252891097 is an apocalyptic number.

It is an amenable number.

52891097 is a deficient number, since it is larger than the sum of its proper divisors (11111719).

52891097 is a wasteful number, since it uses less digits than its factorization.

52891097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444487.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 52891097 is about 7272.6265544162. The cubic root of 52891097 is about 375.3711217804.

The spelling of 52891097 in words is "fifty-two million, eight hundred ninety-one thousand, ninety-seven".

Divisors: 1 7 17 119 444463 3111241 7555871 52891097