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47379969 = 32713174183
BaseRepresentation
bin1011010010111…
…1011000000001
310022011011002200
42310233120001
544112124334
64411303413
71113503010
oct264573001
9108134080
1047379969
11248212aa
1213a4ab69
139a7b9b0
146414a77
15425d799
hex2d2f601

47379969 has 96 divisors (see below), whose sum is σ = 92461824. Its totient is φ = 22671360.

The previous prime is 47379967. The next prime is 47379971. The reversal of 47379969 is 96997374.

It is an interprime number because it is at equal distance from previous prime (47379967) and next prime (47379971).

It is not a de Polignac number, because 47379969 - 21 = 47379967 is a prime.

It is a super-2 number, since 2×473799692 = 4489722924881922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47379961) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 570802 + ... + 570884.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 247379969 is an apocalyptic number.

It is an amenable number.

47379969 is a deficient number, since it is larger than the sum of its proper divisors (45081855).

47379969 is a wasteful number, since it uses less digits than its factorization.

47379969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 164 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 47379969 is about 6883.3109039183. The cubic root of 47379969 is about 361.8525110636.

It can be divided in two parts, 4737 and 9969, that added together give a triangular number (14706 = T171).

The spelling of 47379969 in words is "forty-seven million, three hundred seventy-nine thousand, nine hundred sixty-nine".

Divisors: 1 3 7 9 13 17 21 39 41 51 63 83 91 117 119 123 153 221 249 273 287 357 369 533 581 663 697 747 819 861 1071 1079 1411 1547 1599 1743 1989 2091 2583 3237 3403 3731 4233 4641 4797 4879 5229 6273 7553 9061 9711 9877 10209 11193 12699 13923 14637 18343 22659 23821 27183 29631 30627 33579 43911 44239 55029 57851 63427 67977 71463 81549 88893 128401 132717 165087 173553 190281 214389 309673 385203 398151 404957 520659 570843 752063 929019 1155609 1214871 2256189 2787057 3644613 5264441 6768567 15793323 47379969