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389140914 = 231737971063
BaseRepresentation
bin10111001100011…
…101000110110010
31000010020101222110
4113030131012302
51244110002124
6102340350150
712433433421
oct2714350662
91003211873
10389140914
1118a729368
12aa3a5356
136280b9c6
14399792b8
152426b029
hex1731d1b2

389140914 has 64 divisors (see below), whose sum is σ = 855864576. Its totient is φ = 117448704.

The previous prime is 389140909. The next prime is 389140943. The reversal of 389140914 is 419041983.

389140914 is nontrivially palindromic in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365547 + ... + 366609.

It is an arithmetic number, because the mean of its divisors is an integer number (13372884).

Almost surely, 2389140914 is an apocalyptic number.

389140914 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

389140914 is an abundant number, since it is smaller than the sum of its proper divisors (466723662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389140914 is a wasteful number, since it uses less digits than its factorization.

389140914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 389140914 is about 19726.6549115657. The cubic root of 389140914 is about 730.0775009980.

The spelling of 389140914 in words is "three hundred eighty-nine million, one hundred forty thousand, nine hundred fourteen".

Divisors: 1 2 3 6 17 34 37 51 74 97 102 111 194 222 291 582 629 1063 1258 1649 1887 2126 3189 3298 3589 3774 4947 6378 7178 9894 10767 18071 21534 36142 39331 54213 61013 78662 103111 108426 117993 122026 183039 206222 235986 309333 366078 618666 668627 1337254 1752887 2005881 3505774 3815107 4011762 5258661 7630214 10517322 11445321 22890642 64856819 129713638 194570457 389140914