Search a number
-
+
47640952 = 235955119
BaseRepresentation
bin1011010110111…
…1000101111000
310022122102002201
42311233011320
544144002302
64421035544
71115640622
oct265570570
9108572081
1047640952
112498a397
1213b55bb4
139b40718
146481c12
1542b0c87
hex2d6f178

47640952 has 8 divisors (see below), whose sum is σ = 89326800. Its totient is φ = 23820472.

The previous prime is 47640949. The next prime is 47640977. The reversal of 47640952 is 25904674.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×476409523 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2977552 + ... + 2977567.

It is an arithmetic number, because the mean of its divisors is an integer number (11165850).

Almost surely, 247640952 is an apocalyptic number.

It is an amenable number.

47640952 is a deficient number, since it is larger than the sum of its proper divisors (41685848).

47640952 is a wasteful number, since it uses less digits than its factorization.

47640952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955125 (or 5955121 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 47640952 is about 6902.2425341334. The cubic root of 47640952 is about 362.5156920674.

The spelling of 47640952 in words is "forty-seven million, six hundred forty thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 5955119 11910238 23820476 47640952