Search a number
-
+
47624042 = 241619521
BaseRepresentation
bin1011010110101…
…0111101101010
310022121112220102
42311222331222
544142432132
64420425402
71115540414
oct265527552
9108545812
1047624042
1124978714
1213b48262
139b35b0b
1464799b4
1542aac62
hex2d6af6a

47624042 has 16 divisors (see below), whose sum is σ = 74385864. Its totient is φ = 22848000.

The previous prime is 47624039. The next prime is 47624047. The reversal of 47624042 is 24042674.

It can be written as a sum of positive squares in 4 ways, for example, as 13623481 + 34000561 = 3691^2 + 5831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47623996 and 47624014.

It is not an unprimeable number, because it can be changed into a prime (47624047) 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, 242 + ... + 9762.

Almost surely, 247624042 is an apocalyptic number.

47624042 is a deficient number, since it is larger than the sum of its proper divisors (26761822).

47624042 is a wasteful number, since it uses less digits than its factorization.

47624042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 47624042 is about 6901.0174612154. The cubic root of 47624042 is about 362.4727957389.

The spelling of 47624042 in words is "forty-seven million, six hundred twenty-four thousand, forty-two".

Divisors: 1 2 41 61 82 122 2501 5002 9521 19042 390361 580781 780722 1161562 23812021 47624042