Search a number
-
+
67764000 = 253535647
BaseRepresentation
bin1000000100111…
…11111100100000
311201111202201210
410002133330200
5114321422000
610420230120
71451661453
oct402377440
9151452653
1067764000
1135284107
121a83b340
1311067b55
148ddd49a
155e38350
hex409ff20

67764000 has 96 divisors (see below), whose sum is σ = 222034176. Its totient is φ = 18067200.

The previous prime is 67763999. The next prime is 67764017. The reversal of 67764000 is 46776.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9177 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (2312856).

Almost surely, 267764000 is an apocalyptic number.

67764000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67764000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111017088).

67764000 is an abundant number, since it is smaller than the sum of its proper divisors (154270176).

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

67764000 is a wasteful number, since it uses less digits than its factorization.

67764000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675 (or 5657 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 67764000 is about 8231.8892120825. The cubic root of 67764000 is about 407.6927714027.

The spelling of 67764000 in words is "sixty-seven million, seven hundred sixty-four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 5647 6000 11294 12000 16941 22588 28235 33882 45176 56470 67764 84705 90352 112940 135528 141175 169410 180704 225880 271056 282350 338820 423525 451760 542112 564700 677640 705875 847050 903520 1129400 1355280 1411750 1694100 2117625 2258800 2710560 2823500 3388200 4235250 4517600 5647000 6776400 8470500 11294000 13552800 16941000 22588000 33882000 67764000