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1144312230 = 23573522517
BaseRepresentation
bin100010000110100…
…1101000110100110
32221202020002021110
41010031031012212
54320420442410
6305314325450
740233331155
oct10415150646
92852202243
101144312230
11537a30796
1227b289886
131530c7239
14abd9559c
156a6da720
hex4434d1a6

1144312230 has 32 divisors (see below), whose sum is σ = 2783975904. Its totient is φ = 300969216.

The previous prime is 1144312217. The next prime is 1144312271. The reversal of 1144312230 is 322134411.

It is a junction number, because it is equal to n+sod(n) for n = 1144312197 and 1144312206.

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 15 ways as a sum of consecutive naturals, for example, 259069 + ... + 263448.

It is an arithmetic number, because the mean of its divisors is an integer number (86999247).

Almost surely, 21144312230 is an apocalyptic number.

1144312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144312230 is an abundant number, since it is smaller than the sum of its proper divisors (1639663674).

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

1144312230 is a wasteful number, since it uses less digits than its factorization.

1144312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522600.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1144312230 is about 33827.6843724190. The cubic root of 1144312230 is about 1045.9594463595.

Adding to 1144312230 its reverse (322134411), we get a palindrome (1466446641).

The spelling of 1144312230 in words is "one billion, one hundred forty-four million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 522517 1045034 1567551 2612585 3135102 5225170 7837755 15675510 38143741 76287482 114431223 190718705 228862446 381437410 572156115 1144312230