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67675620 = 22354312617
BaseRepresentation
bin1000000100010…
…10010111100100
311201100021111110
410002022113210
5114311104440
610414305020
71451143005
oct402122744
9151307443
1067675620
1135223771
121a7b8170
131103685c
148db91ac
155e1c080
hex408a5e4

67675620 has 48 divisors (see below), whose sum is σ = 190003968. Its totient is φ = 17998080.

The previous prime is 67675613. The next prime is 67675631. The reversal of 67675620 is 2657676.

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, 24552 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (3958416).

Almost surely, 267675620 is an apocalyptic number.

67675620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67675620 is an abundant number, since it is smaller than the sum of its proper divisors (122328348).

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

67675620 is a wasteful number, since it uses less digits than its factorization.

67675620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 67675620 is about 8226.5193125647. The cubic root of 67675620 is about 407.5154522601.

The spelling of 67675620 in words is "sixty-seven million, six hundred seventy-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 431 862 1293 1724 2155 2586 2617 4310 5172 5234 6465 7851 8620 10468 12930 13085 15702 25860 26170 31404 39255 52340 78510 157020 1127927 2255854 3383781 4511708 5639635 6767562 11279270 13535124 16918905 22558540 33837810 67675620