Search a number
-
+
690003171 = 331113259233
BaseRepresentation
bin101001001000001…
…001110011100011
31210002100210102000
4221020021303203
52403120100141
6152245055043
723045634024
oct5110116343
91702323360
10690003171
11324541660
121730b7483
13acc4c100
14678d4c4b
154089a5b6
hex29209ce3

690003171 has 96 divisors (see below), whose sum is σ = 1233273600. Its totient is φ = 377844480.

The previous prime is 690003169. The next prime is 690003187. The reversal of 690003171 is 171300096.

It is not a de Polignac number, because 690003171 - 21 = 690003169 is a prime.

It is a super-2 number, since 2×6900031712 = 952208751980110482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (690003161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2961271 + ... + 2961503.

It is an arithmetic number, because the mean of its divisors is an integer number (12846600).

Almost surely, 2690003171 is an apocalyptic number.

690003171 is a deficient number, since it is larger than the sum of its proper divisors (543270429).

690003171 is a wasteful number, since it uses less digits than its factorization.

690003171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 690003171 is about 26267.9114320115. The cubic root of 690003171 is about 883.6569458962.

The spelling of 690003171 in words is "six hundred ninety million, three thousand, one hundred seventy-one".

Divisors: 1 3 9 11 13 27 33 39 59 99 117 143 169 177 233 297 351 429 507 531 649 699 767 1287 1521 1593 1859 1947 2097 2301 2563 3029 3861 4563 5577 5841 6291 6903 7689 8437 9087 9971 13747 16731 17523 20709 23067 25311 27261 29913 33319 39377 41241 50193 69201 75933 81783 89739 99957 109681 118131 123723 151217 178711 227799 269217 299871 329043 354393 371169 433147 453651 536133 899613 987129 1063179 1299441 1360953 1608399 1965821 2323243 2961387 3898323 4082859 4825197 5897463 6969729 11694969 17692389 20909187 25555673 53077167 62727561 76667019 230001057 690003171