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47796861 = 372276041
BaseRepresentation
bin1011011001010…
…1001001111101
310022221022222010
42312111021331
544213444421
64424241433
71120160310
oct266251175
9108838863
1047796861
1124a86542
1214010279
139b96688
1464c2977
1542e2076
hex2d9527d

47796861 has 8 divisors (see below), whose sum is σ = 72833344. Its totient is φ = 27312480.

The previous prime is 47796839. The next prime is 47796869. The reversal of 47796861 is 16869774.

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

It is not a de Polignac number, because 47796861 - 218 = 47534717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47796861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47796869) 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, 1138000 + ... + 1138041.

It is an arithmetic number, because the mean of its divisors is an integer number (9104168).

Almost surely, 247796861 is an apocalyptic number.

It is an amenable number.

47796861 is a deficient number, since it is larger than the sum of its proper divisors (25036483).

47796861 is a wasteful number, since it uses less digits than its factorization.

47796861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276051.

The product of its digits is 508032, while the sum is 48.

The square root of 47796861 is about 6913.5273920047. The cubic root of 47796861 is about 362.9107157717.

The spelling of 47796861 in words is "forty-seven million, seven hundred ninety-six thousand, eight hundred sixty-one".

Divisors: 1 3 7 21 2276041 6828123 15932287 47796861