Search a number
-
+
2813138 = 24729927
BaseRepresentation
bin1010101110110011010010
312021220220022
422232303102
51210010023
6140143442
732624366
oct12566322
95256808
102813138
111651609
12b37b82
137765a3
145332a6
153a87c8
hex2aecd2

2813138 has 8 divisors (see below), whose sum is σ = 4309632. Its totient is φ = 1376596.

The previous prime is 2813131. The next prime is 2813141. The reversal of 2813138 is 8313182.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2813131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14870 + ... + 15057.

It is an arithmetic number, because the mean of its divisors is an integer number (538704).

22813138 is an apocalyptic number.

2813138 is a deficient number, since it is larger than the sum of its proper divisors (1496494).

2813138 is a wasteful number, since it uses less digits than its factorization.

2813138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29976.

The product of its digits is 1152, while the sum is 26.

The square root of 2813138 is about 1677.2411871881. The cubic root of 2813138 is about 141.1660769649.

The spelling of 2813138 in words is "two million, eight hundred thirteen thousand, one hundred thirty-eight".

Divisors: 1 2 47 94 29927 59854 1406569 2813138