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47828907 = 337253063
BaseRepresentation
bin1011011001110…
…0111110101011
310022222221221000
42312130332223
544221011112
64425050043
71120352610
oct266347653
9108887830
1047828907
1124aa8625
1214026923
139ba8139
1464d0507
1542eb7dc
hex2d9cfab

47828907 has 16 divisors (see below), whose sum is σ = 80980480. Its totient is φ = 27330696.

The previous prime is 47828903. The next prime is 47828923. The reversal of 47828907 is 70982874.

It is not a de Polignac number, because 47828907 - 22 = 47828903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47828903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126343 + ... + 126720.

It is an arithmetic number, because the mean of its divisors is an integer number (5061280).

Almost surely, 247828907 is an apocalyptic number.

47828907 is a deficient number, since it is larger than the sum of its proper divisors (33151573).

47828907 is a wasteful number, since it uses less digits than its factorization.

47828907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253079 (or 253073 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 47828907 is about 6915.8446338824. The cubic root of 47828907 is about 362.9918036535.

It can be divided in two parts, 4782 and 8907, that added together give a square (13689 = 1172).

The spelling of 47828907 in words is "forty-seven million, eight hundred twenty-eight thousand, nine hundred seven".

Divisors: 1 3 7 9 21 27 63 189 253063 759189 1771441 2277567 5314323 6832701 15942969 47828907