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67880484 = 223372101127
BaseRepresentation
bin1000000101111…
…00011000100100
311201201200112000
410002330120210
5114334133414
610422525300
71452655200
oct402743044
9151650460
1067880484
1135353681
121a896830
13110a8b89
14902db00
155e5cb09
hex40bc624

67880484 has 144 divisors (see below), whose sum is σ = 208373760. Its totient is φ = 19051200.

The previous prime is 67880453. The next prime is 67880497. The reversal of 67880484 is 48408876.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 534429 + ... + 534555.

It is an arithmetic number, because the mean of its divisors is an integer number (1447040).

Almost surely, 267880484 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 67880484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104186880).

67880484 is an abundant number, since it is smaller than the sum of its proper divisors (140493276).

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

67880484 is a wasteful number, since it uses less digits than its factorization.

67880484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 67880484 is about 8238.9613423052. The cubic root of 67880484 is about 407.9262409918.

The spelling of 67880484 in words is "sixty-seven million, eight hundred eighty thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 101 108 126 127 147 189 196 202 252 254 294 303 378 381 404 441 508 588 606 707 756 762 882 889 909 1143 1212 1323 1414 1524 1764 1778 1818 2121 2286 2646 2667 2727 2828 3429 3556 3636 4242 4572 4949 5292 5334 5454 6223 6363 6858 8001 8484 9898 10668 10908 12446 12726 12827 13716 14847 16002 18669 19089 19796 24003 24892 25452 25654 29694 32004 37338 38178 38481 44541 48006 51308 56007 59388 74676 76356 76962 89082 89789 96012 112014 115443 133623 153924 168021 178164 179578 224028 230886 267246 269367 336042 346329 359156 461772 534492 538734 628523 672084 692658 808101 1077468 1257046 1385316 1616202 1885569 2424303 2514092 3232404 3771138 4848606 5656707 7542276 9697212 11313414 16970121 22626828 33940242 67880484