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47478468 = 223103107359
BaseRepresentation
bin1011010100011…
…1011011000100
310022100011012210
42311013123010
544123302333
64413343420
71114363122
oct265073304
9108304183
1047478468
1124889304
1213a97b70
139ab478b
14643c912
15427ca63
hex2d476c4

47478468 has 48 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 15482784.

The previous prime is 47478427. The next prime is 47478479. The reversal of 47478468 is 86487474.

It is a happy number.

47478468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 132073 + ... + 132431.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 247478468 is an apocalyptic number.

It is an amenable number.

47478468 is an abundant number, since it is smaller than the sum of its proper divisors (65740092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47478468 is a wasteful number, since it uses less digits than its factorization.

47478468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 574 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The square root of 47478468 is about 6890.4621035167. The cubic root of 47478468 is about 362.1030912190.

The spelling of 47478468 in words is "forty-seven million, four hundred seventy-eight thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 103 107 206 214 309 321 359 412 428 618 642 718 1077 1236 1284 1436 2154 4308 11021 22042 33063 36977 38413 44084 66126 73954 76826 110931 115239 132252 147908 153652 221862 230478 443724 460956 3956539 7913078 11869617 15826156 23739234 47478468