Search a number
-
+
47682434 = 223841217
BaseRepresentation
bin1011010111100…
…1001110000010
310022201112000002
42311321032002
544201314214
64422000002
71116202562
oct265711602
9108645002
1047682434
1124a08578
1213b76002
139b56577
146492da2
1542bd1de
hex2d79382

47682434 has 4 divisors (see below), whose sum is σ = 71523654. Its totient is φ = 23841216.

The previous prime is 47682431. The next prime is 47682449. The reversal of 47682434 is 43428674.

47682434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43428674 = 221714337.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 801025 = 6847^2 + 895^2 .

It is a super-2 number, since 2×476824342 = 4547229024328712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47682431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11920607 + ... + 11920610.

Almost surely, 247682434 is an apocalyptic number.

47682434 is a deficient number, since it is larger than the sum of its proper divisors (23841220).

47682434 is a wasteful number, since it uses less digits than its factorization.

47682434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23841219.

The product of its digits is 129024, while the sum is 38.

The square root of 47682434 is about 6905.2468456964. The cubic root of 47682434 is about 362.6208782768.

The spelling of 47682434 in words is "forty-seven million, six hundred eighty-two thousand, four hundred thirty-four".

Divisors: 1 2 23841217 47682434