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47352864 = 25313191997
BaseRepresentation
bin1011010010100…
…0110000100000
310022002202220210
42310220300200
544110242424
64410534120
71113330666
oct264506040
9108082823
1047352864
11248029a9
1213a37340
139a6c560
146408c36
154255729
hex2d28c20

47352864 has 96 divisors (see below), whose sum is σ = 140978880. Its totient is φ = 13796352.

The previous prime is 47352863. The next prime is 47352913. The reversal of 47352864 is 46825374.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47352863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22714 + ... + 24710.

It is an arithmetic number, because the mean of its divisors is an integer number (1468530).

Almost surely, 247352864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47352864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70489440).

47352864 is an abundant number, since it is smaller than the sum of its proper divisors (93626016).

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

47352864 is a wasteful number, since it uses less digits than its factorization.

47352864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2034 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 47352864 is about 6881.3417296338. The cubic root of 47352864 is about 361.7834953774.

The spelling of 47352864 in words is "forty-seven million, three hundred fifty-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 76 78 96 104 114 152 156 208 228 247 304 312 416 456 494 608 624 741 912 988 1248 1482 1824 1976 1997 2964 3952 3994 5928 5991 7904 7988 11856 11982 15976 23712 23964 25961 31952 37943 47928 51922 63904 75886 77883 95856 103844 113829 151772 155766 191712 207688 227658 303544 311532 415376 455316 493259 607088 623064 830752 910632 986518 1214176 1246128 1479777 1821264 1973036 2492256 2959554 3642528 3946072 5919108 7892144 11838216 15784288 23676432 47352864