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47830341 = 3131498231
BaseRepresentation
bin1011011001110…
…1010101000101
310100000000220010
42312131111011
544221032331
64425100433
71120360026
oct266352505
9110000803
1047830341
1124aa9709
1214027719
139ba89a0
1464d0c4d
1542ebe46
hex2d9d545

47830341 has 16 divisors (see below), whose sum is σ = 69148800. Its totient is φ = 29232960.

The previous prime is 47830339. The next prime is 47830379. The reversal of 47830341 is 14303874.

It is not a de Polignac number, because 47830341 - 21 = 47830339 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47830299 and 47830308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47830141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 9926.

It is an arithmetic number, because the mean of its divisors is an integer number (4321800).

Almost surely, 247830341 is an apocalyptic number.

It is an amenable number.

47830341 is a deficient number, since it is larger than the sum of its proper divisors (21318459).

47830341 is a wasteful number, since it uses less digits than its factorization.

47830341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 47830341 is about 6915.9483080775. The cubic root of 47830341 is about 362.9954313414.

The spelling of 47830341 in words is "forty-seven million, eight hundred thirty thousand, three hundred forty-one".

Divisors: 1 3 13 39 149 447 1937 5811 8231 24693 107003 321009 1226419 3679257 15943447 47830341