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144122700 = 22352480409
BaseRepresentation
bin10001001011100…
…10001101001100
3101001012012011210
420211302031030
5243343411300
622145014420
73400010541
oct1045621514
9331165153
10144122700
1174398577
1240324410
1323b21a07
14151d8bc8
15c9bd050
hex897234c

144122700 has 36 divisors (see below), whose sum is σ = 416995880. Its totient is φ = 38432640.

The previous prime is 144122683. The next prime is 144122701. The reversal of 144122700 is 7221441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144122701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239905 + ... + 240504.

Almost surely, 2144122700 is an apocalyptic number.

144122700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144122700 is an abundant number, since it is smaller than the sum of its proper divisors (272873180).

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

144122700 is a wasteful number, since it uses less digits than its factorization.

144122700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480426 (or 480419 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 144122700 is about 12005.1114113947. Note that the first 3 decimals coincide. The cubic root of 144122700 is about 524.2971092487.

The spelling of 144122700 in words is "one hundred forty-four million, one hundred twenty-two thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 480409 960818 1441227 1921636 2402045 2882454 4804090 5764908 7206135 9608180 12010225 14412270 24020450 28824540 36030675 48040900 72061350 144122700