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1144020210 = 235192007053
BaseRepresentation
bin100010000110000…
…0101110011110010
32221201200020200220
41010030011303302
54320332121320
6305304153510
740231003614
oct10414056362
92851606626
101144020210
11537851353
1227b168896
13153024348
14abd1adb4
156a67de40
hex44305cf2

1144020210 has 32 divisors (see below), whose sum is σ = 2890157760. Its totient is φ = 289015488.

The previous prime is 1144020209. The next prime is 1144020247. The reversal of 1144020210 is 120204411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1144020210.

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, 1002957 + ... + 1004096.

It is an arithmetic number, because the mean of its divisors is an integer number (90317430).

Almost surely, 21144020210 is an apocalyptic number.

1144020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144020210 is an abundant number, since it is smaller than the sum of its proper divisors (1746137550).

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

1144020210 is a wasteful number, since it uses less digits than its factorization.

1144020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007082.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1144020210 is about 33823.3678098441. The cubic root of 1144020210 is about 1045.8704650905.

Adding to 1144020210 its reverse (120204411), we get a palindrome (1264224621).

The spelling of 1144020210 in words is "one billion, one hundred forty-four million, twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 2007053 4014106 6021159 10035265 12042318 20070530 30105795 38134007 60211590 76268014 114402021 190670035 228804042 381340070 572010105 1144020210