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540002 = 2270001
BaseRepresentation
bin10000011110101100010
31000102202002
42003311202
5114240002
615324002
74406231
oct2036542
91012662
10540002
11339791
12220602
1315ba38
14100b18
15aa002
hex83d62

540002 has 4 divisors (see below), whose sum is σ = 810006. Its totient is φ = 270000.

The previous prime is 539993. The next prime is 540041. The reversal of 540002 is 200045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200045 = 540009.

It can be written as a sum of positive squares in only one way, i.e., 461041 + 78961 = 679^2 + 281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134999 + ... + 135002.

2540002 is an apocalyptic number.

540002 is a deficient number, since it is larger than the sum of its proper divisors (270004).

540002 is a wasteful number, since it uses less digits than its factorization.

540002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270003.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 540002 is about 734.8482836613. The cubic root of 540002 is about 81.4326290317.

Adding to 540002 its reverse (200045), we get a palindrome (740047).

The spelling of 540002 in words is "five hundred forty thousand, two".

Divisors: 1 2 270001 540002