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27313040 = 2452231531
BaseRepresentation
bin110100000110…
…0001110010000
31220101122110002
41220030032100
523443004130
62413225132
7451104566
oct150141620
956348402
1027313040
1114465767
1291921a8
135873c81
1438ada36
1525e7b45
hex1a0c390

27313040 has 40 divisors (see below), whose sum is σ = 63829248. Its totient is φ = 10869120.

The previous prime is 27313021. The next prime is 27313043. The reversal of 27313040 is 4031372.

27313040 = 2332 + 2342 + ... + 4552.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (27313043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17075 + ... + 18605.

Almost surely, 227313040 is an apocalyptic number.

27313040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27313040 is an abundant number, since it is smaller than the sum of its proper divisors (36516208).

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

27313040 is a wasteful number, since it uses less digits than its factorization.

27313040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 27313040 is about 5226.1879032427. The cubic root of 27313040 is about 301.1549552956.

The spelling of 27313040 in words is "twenty-seven million, three hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 223 446 892 1115 1531 1784 2230 3062 3568 4460 6124 7655 8920 12248 15310 17840 24496 30620 61240 122480 341413 682826 1365652 1707065 2731304 3414130 5462608 6828260 13656520 27313040