Search a number
-
+
2137438 = 21068719
BaseRepresentation
bin1000001001110101011110
311000121000101
420021311132
51021344223
6113451314
724111412
oct10116536
94017011
102137438
11122a986
12870b3a
1359ab74
143d8d42
152c34ad
hex209d5e

2137438 has 4 divisors (see below), whose sum is σ = 3206160. Its totient is φ = 1068718.

The previous prime is 2137423. The next prime is 2137441. The reversal of 2137438 is 8347312.

2137438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 221 + 1 + 39 + 73 + 43 + 39 + 83 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534358 + ... + 534361.

It is an arithmetic number, because the mean of its divisors is an integer number (801540).

22137438 is an apocalyptic number.

2137438 is a deficient number, since it is larger than the sum of its proper divisors (1068722).

2137438 is a wasteful number, since it uses less digits than its factorization.

2137438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068721.

The product of its digits is 4032, while the sum is 28.

The square root of 2137438 is about 1461.9979480150. The cubic root of 2137438 is about 128.8144278039.

It can be divided in two parts, 21374 and 38, that added together give a palindrome (21412).

The spelling of 2137438 in words is "two million, one hundred thirty-seven thousand, four hundred thirty-eight".

Divisors: 1 2 1068719 2137438