[go: up one dir, main page]

Search a number
-
+
9281013 = 37441953
BaseRepresentation
bin100011011001…
…110111110101
3122110112011020
4203121313311
54333443023
6530531353
7141613230
oct43316765
918415136
109281013
115269a65
123136b59
131bcc531
141338417
15c34de3
hex8d9df5

9281013 has 8 divisors (see below), whose sum is σ = 14142528. Its totient is φ = 5303424.

The previous prime is 9281011. The next prime is 9281017. The reversal of 9281013 is 3101829.

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

It is not a de Polignac number, because 9281013 - 21 = 9281011 is a prime.

It is a super-2 number, since 2×92810132 = 172274404612338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9281011) 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, 220956 + ... + 220997.

It is an arithmetic number, because the mean of its divisors is an integer number (1767816).

Almost surely, 29281013 is an apocalyptic number.

It is an amenable number.

9281013 is a deficient number, since it is larger than the sum of its proper divisors (4861515).

9281013 is a wasteful number, since it uses less digits than its factorization.

9281013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441963.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 9281013 is about 3046.4755045790. The cubic root of 9281013 is about 210.1511610073.

The spelling of 9281013 in words is "nine million, two hundred eighty-one thousand, thirteen".

Divisors: 1 3 7 21 441953 1325859 3093671 9281013