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2640107 = 19283491
BaseRepresentation
bin1010000100100011101011
311222010112202
422010203223
51133440412
6132330415
731304051
oct12044353
94863482
102640107
111543608
12a73a0b
137158c2
144ca1d1
153723c2
hex2848eb

2640107 has 8 divisors (see below), whose sum is σ = 2794560. Its totient is φ = 2487240.

The previous prime is 2640067. The next prime is 2640137. The reversal of 2640107 is 7010462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2640107 - 210 = 2639083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640137) 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, 5132 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (349320).

22640107 is an apocalyptic number.

2640107 is a deficient number, since it is larger than the sum of its proper divisors (154453).

2640107 is a wasteful number, since it uses less digits than its factorization.

2640107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2640107 is about 1624.8406075674. The cubic root of 2640107 is about 138.2103317853.

Adding to 2640107 its reverse (7010462), we get a palindrome (9650569).

The spelling of 2640107 in words is "two million, six hundred forty thousand, one hundred seven".

Divisors: 1 19 283 491 5377 9329 138953 2640107