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144200210 = 25711187273
BaseRepresentation
bin10001001100001…
…01001000010010
3101001100010111112
420212011020102
5243403401320
622150413322
73400452530
oct1046051022
9331303445
10144200210
1174440830
1240361242
1323b4b08b
1415219150
15c9d5ec5
hex8985212

144200210 has 32 divisors (see below), whose sum is σ = 323609472. Its totient is φ = 44945280.

The previous prime is 144200197. The next prime is 144200233. The reversal of 144200210 is 12002441.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

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, 92867 + ... + 94406.

It is an arithmetic number, because the mean of its divisors is an integer number (10112796).

Almost surely, 2144200210 is an apocalyptic number.

144200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144200210 is an abundant number, since it is smaller than the sum of its proper divisors (179409262).

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

144200210 is a wasteful number, since it uses less digits than its factorization.

144200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187298.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 144200210 is about 12008.3391857492. The cubic root of 144200210 is about 524.3910823840.

Adding to 144200210 its reverse (12002441), we get a palindrome (156202651).

The spelling of 144200210 in words is "one hundred forty-four million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 187273 374546 936365 1310911 1872730 2060003 2621822 4120006 6554555 10300015 13109110 14420021 20600030 28840042 72100105 144200210