Search a number
-
+
47682053 = 61781673
BaseRepresentation
bin1011010111100…
…1001000000101
310022201111110222
42311321020011
544201311203
64421554125
71116201506
oct265711005
9108644428
1047682053
1124a08261
1213b75945
139b56343
146492bad
1542bd038
hex2d79205

47682053 has 4 divisors (see below), whose sum is σ = 48463788. Its totient is φ = 46900320.

The previous prime is 47682049. The next prime is 47682071. The reversal of 47682053 is 35028674.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35028674 = 217514337.

It can be written as a sum of positive squares in 2 ways, for example, as 22108804 + 25573249 = 4702^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 47682053 - 22 = 47682049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47682043) 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, 390776 + ... + 390897.

It is an arithmetic number, because the mean of its divisors is an integer number (12115947).

Almost surely, 247682053 is an apocalyptic number.

It is an amenable number.

47682053 is a deficient number, since it is larger than the sum of its proper divisors (781735).

47682053 is an equidigital number, since it uses as much as digits as its factorization.

47682053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781734.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 47682053 is about 6905.2192579237. The cubic root of 47682053 is about 362.6199124499.

The spelling of 47682053 in words is "forty-seven million, six hundred eighty-two thousand, fifty-three".

Divisors: 1 61 781673 47682053