Search a number
-
+
2734431 = 37130211
BaseRepresentation
bin1010011011100101011111
312010220221020
422123211133
51200000211
6134335223
732146050
oct12334537
95126836
102734431
1115a8467
12aba513
1374980b
14512727
15390306
hex29b95f

2734431 has 8 divisors (see below), whose sum is σ = 4166784. Its totient is φ = 1562520.

The previous prime is 2734421. The next prime is 2734441. The reversal of 2734431 is 1344372.

It is an interprime number because it is at equal distance from previous prime (2734421) and next prime (2734441).

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

It is not a de Polignac number, because 2734431 - 211 = 2732383 is a prime.

It is a super-2 number, since 2×27344312 = 14954225787522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2734421) 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, 65085 + ... + 65126.

It is an arithmetic number, because the mean of its divisors is an integer number (520848).

22734431 is an apocalyptic number.

2734431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2734431 is a deficient number, since it is larger than the sum of its proper divisors (1432353).

2734431 is a wasteful number, since it uses less digits than its factorization.

2734431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130221.

The product of its digits is 2016, while the sum is 24.

The square root of 2734431 is about 1653.6115021371. The cubic root of 2734431 is about 139.8370723682.

The spelling of 2734431 in words is "two million, seven hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 3 7 21 130211 390633 911477 2734431