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2240390073 = 31939305089
BaseRepresentation
bin1000010110001001…
…1010001110111001
312210010200121102010
42011202122032321
514042014440243
61010151200133
7106343000325
oct20542321671
95703617363
102240390073
11a4a707249
12526376049
132992038cc
14173792985
15d1a49433
hex8589a3b9

2240390073 has 8 divisors (see below), whose sum is σ = 3144407200. Its totient is φ = 1414983168.

The previous prime is 2240390069. The next prime is 2240390077. The reversal of 2240390073 is 3700930422.

It is an interprime number because it is at equal distance from previous prime (2240390069) and next prime (2240390077).

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

It is not a de Polignac number, because 2240390073 - 22 = 2240390069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240390073.

It is not an unprimeable number, because it can be changed into a prime (2240390077) 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, 19652488 + ... + 19652601.

It is an arithmetic number, because the mean of its divisors is an integer number (393050900).

Almost surely, 22240390073 is an apocalyptic number.

It is an amenable number.

2240390073 is a deficient number, since it is larger than the sum of its proper divisors (904017127).

2240390073 is a wasteful number, since it uses less digits than its factorization.

2240390073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39305111.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 2240390073 is about 47332.7589836046. The cubic root of 2240390073 is about 1308.5024693487.

The spelling of 2240390073 in words is "two billion, two hundred forty million, three hundred ninety thousand, seventy-three".

Divisors: 1 3 19 57 39305089 117915267 746796691 2240390073