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1343043660 = 223573197723
BaseRepresentation
bin101000000001101…
…0011100001001100
310110121011200112210
41100003103201030
510222304344120
6341134030420
745165453120
oct12003234114
93417150483
101343043660
1162a127642
12315948410
13185328cba
14ca527580
157cd93ce0
hex500d384c

1343043660 has 48 divisors (see below), whose sum is σ = 4297741056. Its totient is φ = 306981312.

The previous prime is 1343043643. The next prime is 1343043661. The reversal of 1343043660 is 663403431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1343043661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598442 + ... + 1599281.

It is an arithmetic number, because the mean of its divisors is an integer number (89536272).

Almost surely, 21343043660 is an apocalyptic number.

1343043660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343043660 is an abundant number, since it is smaller than the sum of its proper divisors (2954697396).

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

1343043660 is a wasteful number, since it uses less digits than its factorization.

1343043660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197742 (or 3197740 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 1343043660 is about 36647.5600824939. The cubic root of 1343043660 is about 1103.3078555121.

The spelling of 1343043660 in words is "one billion, three hundred forty-three million, forty-three thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 3197723 6395446 9593169 12790892 15988615 19186338 22384061 31977230 38372676 44768122 47965845 63954460 67152183 89536244 95931690 111920305 134304366 191863380 223840610 268608732 335760915 447681220 671521830 1343043660