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52471680 = 273527329
BaseRepresentation
bin1100100000101…
…0011110000000
310122201211121120
43020022132000
5101413043210
65112352240
71205000442
oct310123600
9118654546
1052471680
1127689828
12156a5680
13ab42441
146d7c492
154917270
hex320a780

52471680 has 64 divisors (see below), whose sum is σ = 167259600. Its totient is φ = 13991936.

The previous prime is 52471669. The next prime is 52471753. The reversal of 52471680 is 8617425.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 11745 + ... + 15584.

Almost surely, 252471680 is an apocalyptic number.

It is an amenable number.

52471680 is an abundant number, since it is smaller than the sum of its proper divisors (114787920).

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

52471680 is a wasteful number, since it uses less digits than its factorization.

52471680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27351 (or 27339 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 52471680 is about 7243.7338438129. The cubic root of 52471680 is about 374.3762787221.

The spelling of 52471680 in words is "fifty-two million, four hundred seventy-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 27329 54658 81987 109316 136645 163974 218632 273290 327948 409935 437264 546580 655896 819870 874528 1093160 1311792 1639740 1749056 2186320 2623584 3279480 3498112 4372640 5247168 6558960 8745280 10494336 13117920 17490560 26235840 52471680