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3897206223 = 319152344893
BaseRepresentation
bin1110100001001010…
…1010010111001111
3101001121021120220020
43220102222113033
530440141044343
61442414353223
7165401464161
oct35022522717
911047246806
103897206223
11171a964799
129091bb813
134a15403b1
1428d836931
1517c21cb83
hexe84aa5cf

3897206223 has 16 divisors (see below), whose sum is σ = 5473476480. Its totient is φ = 2459722464.

The previous prime is 3897206213. The next prime is 3897206233. The reversal of 3897206223 is 3226027983.

It is an interprime number because it is at equal distance from previous prime (3897206213) and next prime (3897206233).

It is not a de Polignac number, because 3897206223 - 214 = 3897189839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897206213) 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 15 ways as a sum of consecutive naturals, for example, 64365 + ... + 109257.

It is an arithmetic number, because the mean of its divisors is an integer number (342092280).

Almost surely, 23897206223 is an apocalyptic number.

3897206223 is a deficient number, since it is larger than the sum of its proper divisors (1576270257).

3897206223 is a wasteful number, since it uses less digits than its factorization.

3897206223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46438.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 3897206223 is about 62427.6078590234. The cubic root of 3897206223 is about 1573.6849657190.

The spelling of 3897206223 in words is "three billion, eight hundred ninety-seven million, two hundred six thousand, two hundred twenty-three".

Divisors: 1 3 19 57 1523 4569 28937 44893 86811 134679 852967 2558901 68372039 205116117 1299068741 3897206223