[go: up one dir, main page]

Search a number
-
+
549150047 = 23157152077
BaseRepresentation
bin100000101110110…
…101110101011111
31102021022201020122
4200232311311133
52111040300142
6130254105155
716415461355
oct4056656537
91367281218
10549150047
11261a87616
12133aab1bb
1389a03674
1452d0b7d5
15333261d2
hex20bb5d5f

549150047 has 8 divisors (see below), whose sum is σ = 576679776. Its totient is φ = 521924832.

The previous prime is 549149987. The next prime is 549150083. The reversal of 549150047 is 740051945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 549150047 - 224 = 532372831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549149989 and 549150016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549152047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72428 + ... + 79649.

It is an arithmetic number, because the mean of its divisors is an integer number (72084972).

Almost surely, 2549150047 is an apocalyptic number.

549150047 is a deficient number, since it is larger than the sum of its proper divisors (27529729).

549150047 is a wasteful number, since it uses less digits than its factorization.

549150047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152257.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 549150047 is about 23433.9507339245. The cubic root of 549150047 is about 818.8990017498.

The spelling of 549150047 in words is "five hundred forty-nine million, one hundred fifty thousand, forty-seven".

Divisors: 1 23 157 3611 152077 3497771 23876089 549150047