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2002438245 = 351736721397
BaseRepresentation
bin111011101011010…
…1100100001100101
312011112221101212110
41313112230201211
513100111010440
6530411111233
7100423305243
oct16726544145
95145841773
102002438245
11938362545
1247a742519
1325bb1c102
1414dd31793
15babe5080
hex775ac865

2002438245 has 32 divisors (see below), whose sum is σ = 3401768448. Its totient is φ = 1002359808.

The previous prime is 2002438231. The next prime is 2002438247. The reversal of 2002438245 is 5428342002.

It is not a de Polignac number, because 2002438245 - 26 = 2002438181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002438247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82887 + ... + 104283.

It is an arithmetic number, because the mean of its divisors is an integer number (106305264).

Almost surely, 22002438245 is an apocalyptic number.

It is an amenable number.

2002438245 is a deficient number, since it is larger than the sum of its proper divisors (1399330203).

2002438245 is a wasteful number, since it uses less digits than its factorization.

2002438245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21789.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2002438245 is about 44748.6116544413. The cubic root of 2002438245 is about 1260.4328413391.

The spelling of 2002438245 in words is "two billion, two million, four hundred thirty-eight thousand, two hundred forty-five".

Divisors: 1 3 5 15 17 51 85 255 367 1101 1835 5505 6239 18717 21397 31195 64191 93585 106985 320955 363749 1091247 1818745 5456235 7852699 23558097 39263495 117790485 133495883 400487649 667479415 2002438245