Search a number
-
+
39473047 = 1132711289
BaseRepresentation
bin1001011010010…
…0111110010111
32202021102211201
42112210332113
540101114142
63530013331
7656341525
oct226447627
982242751
1039473047
1120310759
1211277247
138240a43
145357315
1536eaab7
hex25a4f97

39473047 has 8 divisors (see below), whose sum is σ = 40000320. Its totient is φ = 38949120.

The previous prime is 39473041. The next prime is 39473059. The reversal of 39473047 is 74037493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-39473047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39472997 and 39473015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39473041) 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, 29979 + ... + 31267.

It is an arithmetic number, because the mean of its divisors is an integer number (5000040).

Almost surely, 239473047 is an apocalyptic number.

39473047 is a deficient number, since it is larger than the sum of its proper divisors (527273).

39473047 is a wasteful number, since it uses less digits than its factorization.

39473047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 39473047 is about 6282.7579135281. The cubic root of 39473047 is about 340.4867509218.

It can be divided in two parts, 394 and 73047, that added together give a square (73441 = 2712).

The spelling of 39473047 in words is "thirty-nine million, four hundred seventy-three thousand, forty-seven".

Divisors: 1 113 271 1289 30623 145657 349319 39473047