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47398288 = 247260457
BaseRepresentation
bin1011010011001…
…1110110010000
310022012002020011
42310303312100
544113221123
64411524304
71113610300
oct264636620
9108162204
1047398288
1124834043
1213a59694
139a87132
14641b600
154263e0d
hex2d33d90

47398288 has 30 divisors (see below), whose sum is σ = 106829286. Its totient is φ = 20313216.

The previous prime is 47398259. The next prime is 47398303. The reversal of 47398288 is 88289374.

47398288 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 only one way, i.e., 43665664 + 3732624 = 6608^2 + 1932^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

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 5 ways as a sum of consecutive naturals, for example, 29445 + ... + 31012.

Almost surely, 247398288 is an apocalyptic number.

It is an amenable number.

47398288 is an abundant number, since it is smaller than the sum of its proper divisors (59430998).

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

47398288 is a wasteful number, since it uses less digits than its factorization.

47398288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60479 (or 60466 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 47398288 is about 6884.6414576214. The cubic root of 47398288 is about 361.8991406285.

The spelling of 47398288 in words is "forty-seven million, three hundred ninety-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 60457 120914 241828 423199 483656 846398 967312 1692796 2962393 3385592 5924786 6771184 11849572 23699144 47398288