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47628828 = 223213101771
BaseRepresentation
bin1011010110110…
…0001000011100
310022121210110200
42311230020130
544143110303
64420503500
71115560362
oct265541034
9108553420
1047628828
1124981275
1213b4ab90
139b38050
14647b632
1542ac3a3
hex2d6c21c

47628828 has 36 divisors (see below), whose sum is σ = 129657528. Its totient is φ = 14654880.

The previous prime is 47628811. The next prime is 47628851. The reversal of 47628828 is 82882674.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50418 + ... + 51353.

It is an arithmetic number, because the mean of its divisors is an integer number (3601598).

Almost surely, 247628828 is an apocalyptic number.

It is an amenable number.

47628828 is an abundant number, since it is smaller than the sum of its proper divisors (82028700).

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

47628828 is a wasteful number, since it uses less digits than its factorization.

47628828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101794 (or 101789 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 47628828 is about 6901.3642129654. The cubic root of 47628828 is about 362.4849376223.

The spelling of 47628828 in words is "forty-seven million, six hundred twenty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 101771 203542 305313 407084 610626 915939 1221252 1323023 1831878 2646046 3663756 3969069 5292092 7938138 11907207 15876276 23814414 47628828