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380172003 = 31731376797
BaseRepresentation
bin10110101010001…
…111011011100011
3222111100201221120
4112222033123203
51234311001003
6101420223323
712264260121
oct2652173343
9874321846
10380172003
11185662942
12a739ab43
13609bb563
14386c2911
1523598853
hex16a8f6e3

380172003 has 64 divisors (see below), whose sum is σ = 583446528. Its totient is φ = 218972160.

The previous prime is 380171983. The next prime is 380172011. The reversal of 380172003 is 300271083.

It is a Cunningham number, because it is equal to 194982-1.

It is not a de Polignac number, because 380172003 - 28 = 380171747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380172103) 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 63 ways as a sum of consecutive naturals, for example, 3919251 + ... + 3919347.

It is an arithmetic number, because the mean of its divisors is an integer number (9116352).

Almost surely, 2380172003 is an apocalyptic number.

380172003 is a deficient number, since it is larger than the sum of its proper divisors (203274525).

380172003 is a wasteful number, since it uses less digits than its factorization.

380172003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 380172003 is about 19497.9999743563. Note that the first 4 decimals coincide. The cubic root of 380172003 is about 724.4249124768.

The spelling of 380172003 in words is "three hundred eighty million, one hundred seventy-two thousand, three".

Divisors: 1 3 17 31 37 51 67 93 97 111 201 291 527 629 1139 1147 1581 1649 1887 2077 2479 3007 3417 3441 3589 4947 6231 6499 7437 9021 10767 19497 19499 35309 42143 51119 58497 61013 76849 105927 110483 111259 126429 153357 183039 201469 230547 240463 331449 333777 604407 721389 1306433 1891403 3424973 3919299 4087871 5674209 7454353 10274919 12263613 22363059 126724001 380172003