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1144331430 = 2351119182509
BaseRepresentation
bin100010000110101…
…0001110010100110
32221202021001121120
41010031101302212
54320422101210
6305314554410
740233441144
oct10415216246
92852231546
101144331430
11537a44160
1227b298a06
13153102bb8
14abd9c594
156a6e1270
hex44351ca6

1144331430 has 64 divisors (see below), whose sum is σ = 3153772800. Its totient is φ = 262811520.

The previous prime is 1144331423. The next prime is 1144331477. The reversal of 1144331430 is 341334411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144331430.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 84985 + ... + 97524.

It is an arithmetic number, because the mean of its divisors is an integer number (49277700).

Almost surely, 21144331430 is an apocalyptic number.

1144331430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144331430 is an abundant number, since it is smaller than the sum of its proper divisors (2009441370).

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

1144331430 is a wasteful number, since it uses less digits than its factorization.

1144331430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182549.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1144331430 is about 33827.9681624540. The cubic root of 1144331430 is about 1045.9652962516.

Adding to 1144331430 its reverse (341334411), we get a palindrome (1485665841).

The spelling of 1144331430 in words is "one billion, one hundred forty-four million, three hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 19 22 30 33 38 55 57 66 95 110 114 165 190 209 285 330 418 570 627 1045 1254 2090 3135 6270 182509 365018 547527 912545 1095054 1825090 2007599 2737635 3467671 4015198 5475270 6022797 6935342 10037995 10403013 12045594 17338355 20075990 20806026 30113985 34676710 38144381 52015065 60227970 76288762 104030130 114433143 190721905 228866286 381443810 572165715 1144331430