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47148047 = 714431499
BaseRepresentation
bin1011001111011…
…0110000001111
310021201100221222
42303312300033
544032214142
64402313555
71111515602
oct263666017
9107640858
1047148047
1124683031
12139588bb
1399ca26b
146394339
154214bd2
hex2cf6c0f

47148047 has 8 divisors (see below), whose sum is σ = 47952000. Its totient is φ = 46348120.

The previous prime is 47148043. The next prime is 47148053. The reversal of 47148047 is 74084174.

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

It is a cyclic number.

It is not a de Polignac number, because 47148047 - 22 = 47148043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47147998 and 47148016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47148043) 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, 30704 + ... + 32202.

It is an arithmetic number, because the mean of its divisors is an integer number (5994000).

Almost surely, 247148047 is an apocalyptic number.

47148047 is a deficient number, since it is larger than the sum of its proper divisors (803953).

47148047 is a wasteful number, since it uses less digits than its factorization.

47148047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 47148047 is about 6866.4435481550. The cubic root of 47148047 is about 361.2611299118.

The spelling of 47148047 in words is "forty-seven million, one hundred forty-eight thousand, forty-seven".

Divisors: 1 71 443 1499 31453 106429 664057 47148047