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47070270 = 23251340231
BaseRepresentation
bin1011001110001…
…1110000111110
310021120102021100
42303203300332
544022222040
64400513530
71111043052
oct263436076
9107512240
1047070270
112462a655
121391b8a6
1399a0a40
146373c62
1541ebb30
hex2ce3c3e

47070270 has 48 divisors (see below), whose sum is σ = 131800032. Its totient is φ = 11586240.

The previous prime is 47070241. The next prime is 47070301. The reversal of 47070270 is 7207074.

It is a happy number.

It is a super-2 number, since 2×470702702 = 4431220635745800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18946 + ... + 21285.

It is an arithmetic number, because the mean of its divisors is an integer number (2745834).

Almost surely, 247070270 is an apocalyptic number.

47070270 is an abundant number, since it is smaller than the sum of its proper divisors (84729762).

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

47070270 is a wasteful number, since it uses less digits than its factorization.

47070270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40257 (or 40254 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 47070270 is about 6860.7776527155. Note that the first 3 decimals coincide. The cubic root of 47070270 is about 361.0623710856.

The spelling of 47070270 in words is "forty-seven million, seventy thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 40231 80462 120693 201155 241386 362079 402310 523003 603465 724158 1046006 1206930 1569009 1810395 2615015 3138018 3620790 4707027 5230030 7845045 9414054 15690090 23535135 47070270