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47671481 = 1113333367
BaseRepresentation
bin1011010111011…
…0100010111001
310022200221222102
42311312202321
544200441411
64421433145
71116125624
oct265664271
9108627872
1047671481
1124a00320
1213b6b7b5
139b515a0
14648cdbb
1542b9d3b
hex2d768b9

47671481 has 8 divisors (see below), whose sum is σ = 56005824. Its totient is φ = 40003920.

The previous prime is 47671471. The next prime is 47671493. The reversal of 47671481 is 18417674.

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

It is not a de Polignac number, because 47671481 - 210 = 47670457 is a prime.

It is a super-2 number, since 2×476714812 = 4545140201466722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47671471) 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, 166541 + ... + 166826.

It is an arithmetic number, because the mean of its divisors is an integer number (7000728).

Almost surely, 247671481 is an apocalyptic number.

It is an amenable number.

47671481 is a deficient number, since it is larger than the sum of its proper divisors (8334343).

47671481 is a wasteful number, since it uses less digits than its factorization.

47671481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333391.

The product of its digits is 37632, while the sum is 38.

The square root of 47671481 is about 6904.4537075717. The cubic root of 47671481 is about 362.5931106043.

The spelling of 47671481 in words is "forty-seven million, six hundred seventy-one thousand, four hundred eighty-one".

Divisors: 1 11 13 143 333367 3667037 4333771 47671481