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1144342660 = 225374335963
BaseRepresentation
bin100010000110101…
…0100100010000100
32221202021122000111
41010031110202010
54320422431120
6305315122404
740233515656
oct10415244204
92852248014
101144342660
11537a5163a
1227b2a3404
13153108046
14abda26d6
156a6e475a
hex44354884

1144342660 has 48 divisors (see below), whose sum is σ = 2525535936. Its totient is φ = 434996352.

The previous prime is 1144342631. The next prime is 1144342679. The reversal of 1144342660 is 662434411.

1144342660 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13839 + ... + 49801.

It is an arithmetic number, because the mean of its divisors is an integer number (52615332).

Almost surely, 21144342660 is an apocalyptic number.

1144342660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144342660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262767968).

1144342660 is an abundant number, since it is smaller than the sum of its proper divisors (1381193276).

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

1144342660 is a wasteful number, since it uses less digits than its factorization.

1144342660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36052 (or 36050 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1144342660 is about 33828.1341489595. The cubic root of 1144342660 is about 1045.9687177987.

The spelling of 1144342660 in words is "one billion, one hundred forty-four million, three hundred forty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 37 43 74 86 148 172 185 215 370 430 740 860 1591 3182 6364 7955 15910 31820 35963 71926 143852 179815 359630 719260 1330631 1546409 2661262 3092818 5322524 6185636 6653155 7732045 13306310 15464090 26612620 30928180 57217133 114434266 228868532 286085665 572171330 1144342660