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1440152230 = 2511113115861
BaseRepresentation
bin101010111010110…
…1111101010100110
310201100220022110111
41111311233222212
510422134332410
6354523243234
750455043356
oct12565575246
93640808414
101440152230
11679a23760
1234237951a
1319c4996aa
14d93a4b66
1586676b8a
hex55d6faa6

1440152230 has 32 divisors (see below), whose sum is σ = 2852985888. Its totient is φ = 519052800.

The previous prime is 1440152227. The next prime is 1440152237. The reversal of 1440152230 is 322510441.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440152237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45501 + ... + 70360.

It is an arithmetic number, because the mean of its divisors is an integer number (89155809).

Almost surely, 21440152230 is an apocalyptic number.

1440152230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440152230 is a deficient number, since it is larger than the sum of its proper divisors (1412833658).

1440152230 is a wasteful number, since it uses less digits than its factorization.

1440152230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115992.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1440152230 is about 37949.3376753798. The cubic root of 1440152230 is about 1129.2830260092.

Adding to 1440152230 its reverse (322510441), we get a palindrome (1762662671).

The spelling of 1440152230 in words is "one billion, four hundred forty million, one hundred fifty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 113 226 565 1130 1243 2486 6215 12430 115861 231722 579305 1158610 1274471 2548942 6372355 12744710 13092293 26184586 65461465 130922930 144015223 288030446 720076115 1440152230