Search a number
-
+
553621214 = 2276810607
BaseRepresentation
bin100000111111111…
…001011011011110
31102120201212112102
4200333321123132
52113211334324
6130534005102
716501463006
oct4077713336
91376655472
10553621214
112645608a3
121354a6792
138a90a823
1453753006
153390adae
hex20ff96de

553621214 has 4 divisors (see below), whose sum is σ = 830431824. Its totient is φ = 276810606.

The previous prime is 553621213. The next prime is 553621231. The reversal of 553621214 is 412126355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412126355 = 582425271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553621213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138405302 + ... + 138405305.

It is an arithmetic number, because the mean of its divisors is an integer number (207607956).

Almost surely, 2553621214 is an apocalyptic number.

553621214 is a deficient number, since it is larger than the sum of its proper divisors (276810610).

553621214 is a wasteful number, since it uses less digits than its factorization.

553621214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276810609.

The product of its digits is 7200, while the sum is 29.

The square root of 553621214 is about 23529.1566784702. The cubic root of 553621214 is about 821.1154826642.

Adding to 553621214 its reverse (412126355), we get a palindrome (965747569).

The spelling of 553621214 in words is "five hundred fifty-three million, six hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 276810607 553621214