Search a number
-
+
2739387 = 37130447
BaseRepresentation
bin1010011100110010111011
312011011201210
422130302323
51200130022
6134414203
732166360
oct12346273
95134653
102739387
111601162
12b01363
1374bb51
14514467
15391a0c
hex29ccbb

2739387 has 8 divisors (see below), whose sum is σ = 4174336. Its totient is φ = 1565352.

The previous prime is 2739383. The next prime is 2739389. The reversal of 2739387 is 7839372.

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

It is not a de Polignac number, because 2739387 - 22 = 2739383 is a prime.

It is a super-2 number, since 2×27393872 = 15008482271538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2739383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65203 + ... + 65244.

It is an arithmetic number, because the mean of its divisors is an integer number (521792).

22739387 is an apocalyptic number.

2739387 is a deficient number, since it is larger than the sum of its proper divisors (1434949).

2739387 is a wasteful number, since it uses less digits than its factorization.

2739387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130457.

The product of its digits is 63504, while the sum is 39.

The square root of 2739387 is about 1655.1093619456. The cubic root of 2739387 is about 139.9215036153.

The spelling of 2739387 in words is "two million, seven hundred thirty-nine thousand, three hundred eighty-seven".

Divisors: 1 3 7 21 130447 391341 913129 2739387