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47075312 = 2417199109
BaseRepresentation
bin1011001110010…
…0111111110000
310021120200012002
42303210333300
544022402222
64400553132
71111063544
oct263447760
9107520162
1047075312
1124633419
12139227a8
1399a311b
146375a24
1541ed392
hex2ce4ff0

47075312 has 40 divisors (see below), whose sum is σ = 101667600. Its totient is φ = 20984832.

The previous prime is 47075309. The next prime is 47075447. The reversal of 47075312 is 21357074.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 9722.

It is an arithmetic number, because the mean of its divisors is an integer number (2541690).

Almost surely, 247075312 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 47075312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50833800).

47075312 is an abundant number, since it is smaller than the sum of its proper divisors (54592288).

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

47075312 is a wasteful number, since it uses less digits than its factorization.

47075312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 47075312 is about 6861.1450939329. The cubic root of 47075312 is about 361.0752625312.

The spelling of 47075312 in words is "forty-seven million, seventy-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 19 34 38 68 76 136 152 272 304 323 646 1292 2584 5168 9109 18218 36436 72872 145744 154853 173071 309706 346142 619412 692284 1238824 1384568 2477648 2769136 2942207 5884414 11768828 23537656 47075312