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47298730 = 254729873
BaseRepresentation
bin1011010001101…
…1100010101010
310022000000122211
42310123202222
544102024410
64405435334
71113014113
oct264334252
9108000584
1047298730
1124776266
1213a0bb4a
139a50a1b
1463d320a
15424468a
hex2d1b8aa

47298730 has 8 divisors (see below), whose sum is σ = 85137732. Its totient is φ = 18919488.

The previous prime is 47298661. The next prime is 47298751. The reversal of 47298730 is 3789274.

47298730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44930209 + 2368521 = 6703^2 + 1539^2 .

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

It is a super-2 number, since 2×472987302 = 4474339719225800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364927 + ... + 2364946.

Almost surely, 247298730 is an apocalyptic number.

47298730 is a deficient number, since it is larger than the sum of its proper divisors (37839002).

47298730 is a wasteful number, since it uses less digits than its factorization.

47298730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729880.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47298730 is about 6877.4072149321. The cubic root of 47298730 is about 361.6455786534.

The spelling of 47298730 in words is "forty-seven million, two hundred ninety-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 4729873 9459746 23649365 47298730