Search a number
-
+
47725677 = 3229182857
BaseRepresentation
bin1011011000001…
…1110001101101
310022210201022200
42312003301231
544204210202
64422532113
71116442626
oct266036155
9108721280
1047725677
1124a3800a
1213b97039
139b7015c
1464a4a4d
1542cae1c
hex2d83c6d

47725677 has 12 divisors (see below), whose sum is σ = 71314620. Its totient is φ = 30719808.

The previous prime is 47725673. The next prime is 47725679. The reversal of 47725677 is 77652774.

It can be written as a sum of positive squares in 2 ways, for example, as 31877316 + 15848361 = 5646^2 + 3981^2 .

It is not a de Polignac number, because 47725677 - 22 = 47725673 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47725673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91168 + ... + 91689.

It is an arithmetic number, because the mean of its divisors is an integer number (5942885).

Almost surely, 247725677 is an apocalyptic number.

It is an amenable number.

47725677 is a deficient number, since it is larger than the sum of its proper divisors (23588943).

47725677 is a wasteful number, since it uses less digits than its factorization.

47725677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182892 (or 182889 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 47725677 is about 6908.3773058512. The cubic root of 47725677 is about 362.7304649416.

The spelling of 47725677 in words is "forty-seven million, seven hundred twenty-five thousand, six hundred seventy-seven".

Divisors: 1 3 9 29 87 261 182857 548571 1645713 5302853 15908559 47725677