Search a number
-
+
2729841 = 3941967
BaseRepresentation
bin1010011010011101110001
312010200122020
422122131301
51144323331
6134302053
732126502
oct12323561
95120566
102729841
1115a4a74
12ab7929
137476ba
14510ba9
1538dc96
hex29a771

2729841 has 8 divisors (see below), whose sum is σ = 3647424. Its totient is φ = 1816080.

The previous prime is 2729833. The next prime is 2729861. The reversal of 2729841 is 1489272.

It is a happy number.

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

It is not a de Polignac number, because 2729841 - 23 = 2729833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2729861) 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, 2340 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (455928).

22729841 is an apocalyptic number.

It is an amenable number.

2729841 is a deficient number, since it is larger than the sum of its proper divisors (917583).

2729841 is an equidigital number, since it uses as much as digits as its factorization.

2729841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its digits is 8064, while the sum is 33.

The square root of 2729841 is about 1652.2230478964. The cubic root of 2729841 is about 139.7587853152.

It can be divided in two parts, 2729 and 841, that added together give a triangular number (3570 = T84).

The spelling of 2729841 in words is "two million, seven hundred twenty-nine thousand, eight hundred forty-one".

Divisors: 1 3 941 967 2823 2901 909947 2729841