Search a number
-
+
5402487 = 31800829
BaseRepresentation
bin10100100110111101110111
3101011110211010
4110212331313
52340334422
6311443303
763630456
oct24467567
911143733
105402487
11305aa72
121986533
13117204c
14a08b9d
1571ab0c
hex526f77

5402487 has 4 divisors (see below), whose sum is σ = 7203320. Its totient is φ = 3601656.

The previous prime is 5402471. The next prime is 5402491. The reversal of 5402487 is 7842045.

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

It is not a de Polignac number, because 5402487 - 24 = 5402471 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402437) 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, 900412 + ... + 900417.

It is an arithmetic number, because the mean of its divisors is an integer number (1800830).

Almost surely, 25402487 is an apocalyptic number.

5402487 is a deficient number, since it is larger than the sum of its proper divisors (1800833).

5402487 is a wasteful number, since it uses less digits than its factorization.

5402487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800832.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 5402487 is about 2324.3250633248. The cubic root of 5402487 is about 175.4679936113.

The spelling of 5402487 in words is "five million, four hundred two thousand, four hundred eighty-seven".

Divisors: 1 3 1800829 5402487