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67830672 = 24371353293
BaseRepresentation
bin1000000101100…
…00001110010000
311201122011012010
410002300032100
5114331040142
610421502520
71452360030
oct402601620
9151564163
1067830672
113531a208
121a871a40
131108c2c0
1490198c0
155e4ce9c
hex40b0390

67830672 has 160 divisors (see below), whose sum is σ = 220485888. Its totient is φ = 17491968.

The previous prime is 67830667. The next prime is 67830677. The reversal of 67830672 is 27603876.

It is an interprime number because it is at equal distance from previous prime (67830667) and next prime (67830677).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 67830672.

It is not an unprimeable number, because it can be changed into a prime (67830677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231358 + ... + 231650.

Almost surely, 267830672 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 67830672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110242944).

67830672 is an abundant number, since it is smaller than the sum of its proper divisors (152655216).

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

67830672 is a wasteful number, since it uses less digits than its factorization.

67830672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 67830672 is about 8235.9378336653. The cubic root of 67830672 is about 407.8264352103.

The spelling of 67830672 in words is "sixty-seven million, eight hundred thirty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 53 56 78 84 91 104 106 112 156 159 168 182 208 212 273 293 312 318 336 364 371 424 546 586 624 636 689 728 742 848 879 1092 1113 1172 1272 1378 1456 1484 1758 2051 2067 2184 2226 2344 2544 2756 2968 3516 3809 4102 4134 4368 4452 4688 4823 5512 5936 6153 7032 7618 8204 8268 8904 9646 11024 11427 12306 14064 14469 15236 15529 16408 16536 17808 19292 22854 24612 26663 28938 30472 31058 32816 33072 38584 45708 46587 49224 53326 57876 60944 62116 77168 79989 91416 93174 98448 106652 108703 115752 124232 159978 182832 186348 201877 213304 217406 231504 248464 319956 326109 372696 403754 426608 434812 605631 639912 652218 745392 807508 869624 1211262 1279824 1304436 1413139 1615016 1739248 2422524 2608872 2826278 3230032 4239417 4845048 5217744 5652556 8478834 9690096 11305112 16957668 22610224 33915336 67830672