Search a number
-
+
144328450 = 25272317929
BaseRepresentation
bin10001001101001…
…00011100000010
3101001120122102011
420212210130002
5243422002300
622153243134
73401525440
oct1046443402
9331518364
10144328450
1174519112
12404034aa
1323b94566
141524db90
15ca0deba
hex89a4702

144328450 has 48 divisors (see below), whose sum is σ = 320158080. Its totient is φ = 47329920.

The previous prime is 144328439. The next prime is 144328463. The reversal of 144328450 is 54823441.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915 + ... + 17014.

It is an arithmetic number, because the mean of its divisors is an integer number (6669960).

Almost surely, 2144328450 is an apocalyptic number.

144328450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144328450 is an abundant number, since it is smaller than the sum of its proper divisors (175829630).

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

144328450 is a wasteful number, since it uses less digits than its factorization.

144328450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17971 (or 17966 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 144328450 is about 12013.6776217776. The cubic root of 144328450 is about 524.5464866590.

The spelling of 144328450 in words is "one hundred forty-four million, three hundred twenty-eight thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 70 115 161 175 230 322 350 575 805 1150 1610 4025 8050 17929 35858 89645 125503 179290 251006 412367 448225 627515 824734 896450 1255030 2061835 2886569 3137575 4123670 5773138 6275150 10309175 14432845 20618350 28865690 72164225 144328450