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427601161 = 13131251087
BaseRepresentation
bin11001011111001…
…010110100001001
31002210121101112001
4121133022310021
51333431214121
6110232551001
713411356421
oct3137126411
91083541461
10427601161
111aa408099
12bb252461
136a786750
1440b0b481
1527816991
hex197cad09

427601161 has 8 divisors (see below), whose sum is σ = 464010624. Its totient is φ = 391694160.

The previous prime is 427601131. The next prime is 427601203. The reversal of 427601161 is 161106724.

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

It is not a de Polignac number, because 427601161 - 25 = 427601129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427601131) 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, 123841 + ... + 127246.

It is an arithmetic number, because the mean of its divisors is an integer number (58001328).

Almost surely, 2427601161 is an apocalyptic number.

It is an amenable number.

427601161 is a deficient number, since it is larger than the sum of its proper divisors (36409463).

427601161 is a wasteful number, since it uses less digits than its factorization.

427601161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251231.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 427601161 is about 20678.5193135292. The cubic root of 427601161 is about 753.3780428517.

Adding to 427601161 its reverse (161106724), we get a palindrome (588707885).

The spelling of 427601161 in words is "four hundred twenty-seven million, six hundred one thousand, one hundred sixty-one".

Divisors: 1 13 131 1703 251087 3264131 32892397 427601161