Search a number
-
+
1601481371 = 7659347167
BaseRepresentation
bin101111101110100…
…1010101010011011
311010121110200102212
41133131022222123
511234434400441
6422525145335
754454236620
oct13735125233
94117420385
101601481371
11751aa3726
123883bb24b
131c6a34119
1411299c347
15958e2eeb
hex5f74aa9b

1601481371 has 8 divisors (see below), whose sum is σ = 1833047040. Its totient is φ = 1370611368.

The previous prime is 1601481347. The next prime is 1601481377. The reversal of 1601481371 is 1731841061.

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

It is not a de Polignac number, because 1601481371 - 26 = 1601481307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601481377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168971 + ... + 178196.

It is an arithmetic number, because the mean of its divisors is an integer number (229130880).

Almost surely, 21601481371 is an apocalyptic number.

1601481371 is a deficient number, since it is larger than the sum of its proper divisors (231565669).

1601481371 is an equidigital number, since it uses as much as digits as its factorization.

1601481371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347833.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1601481371 is about 40018.5128534282. The cubic root of 1601481371 is about 1169.9679468658.

The spelling of 1601481371 in words is "one billion, six hundred one million, four hundred eighty-one thousand, three hundred seventy-one".

Divisors: 1 7 659 4613 347167 2430169 228783053 1601481371