Search a number
-
+
554640937 = 4711800871
BaseRepresentation
bin100001000011110…
…010011000101001
31102122122200022221
4201003302120221
52113442002222
6131011514041
716513240654
oct4103623051
91378580287
10554640937
11265097a44
121358b8921
138aba6a06
145393a89b
1533a5d0c7
hex210f2629

554640937 has 4 divisors (see below), whose sum is σ = 566441856. Its totient is φ = 542840020.

The previous prime is 554640923. The next prime is 554640967. The reversal of 554640937 is 739046455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-554640937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554640893 and 554640902.

It is not an unprimeable number, because it can be changed into a prime (554640967) 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, 5900389 + ... + 5900482.

It is an arithmetic number, because the mean of its divisors is an integer number (141610464).

Almost surely, 2554640937 is an apocalyptic number.

It is an amenable number.

554640937 is a deficient number, since it is larger than the sum of its proper divisors (11800919).

554640937 is a wasteful number, since it uses less digits than its factorization.

554640937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800918.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 554640937 is about 23550.8160580478. The cubic root of 554640937 is about 821.6193149854.

The spelling of 554640937 in words is "five hundred fifty-four million, six hundred forty thousand, nine hundred thirty-seven".

Divisors: 1 47 11800871 554640937