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144210432 = 29393887
BaseRepresentation
bin10001001100001…
…11101000000000
3101001100122112010
420212013220000
5243404213212
622150532520
73400524402
oct1046075000
9331318463
10144210432
1174448483
1240367140
1323b52922
141521cb72
15c9d903c
hex8987a00

144210432 has 40 divisors (see below), whose sum is σ = 384189696. Its totient is φ = 48069632.

The previous prime is 144210431. The next prime is 144210467. The reversal of 144210432 is 234012441.

It is a junction number, because it is equal to n+sod(n) for n = 144210399 and 144210408.

It is not an unprimeable number, because it can be changed into a prime (144210431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45408 + ... + 48479.

Almost surely, 2144210432 is an apocalyptic number.

144210432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144210432 is an abundant number, since it is smaller than the sum of its proper divisors (239979264).

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

144210432 is an frugal number, since it uses more digits than its factorization.

144210432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93908 (or 93892 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144210432 is about 12008.7647990957. The cubic root of 144210432 is about 524.4034730247.

Adding to 144210432 its reverse (234012441), we get a palindrome (378222873).

The spelling of 144210432 in words is "one hundred forty-four million, two hundred ten thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 93887 187774 281661 375548 563322 751096 1126644 1502192 2253288 3004384 4506576 6008768 9013152 12017536 18026304 24035072 36052608 48070144 72105216 144210432