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144734250 = 2353192979
BaseRepresentation
bin10001010000001…
…11100000101010
3101002100021001210
420220013200222
5244022444000
622210053550
73405135513
oct1050074052
9332307053
10144734250
1174775a91
124057a2b6
1323ca718b
1415317a0a
15ca8e350
hex8a0782a

144734250 has 32 divisors (see below), whose sum is σ = 361258560. Its totient is φ = 38595600.

The previous prime is 144734231. The next prime is 144734251. The reversal of 144734250 is 52437441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (144734251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95740 + ... + 97239.

It is an arithmetic number, because the mean of its divisors is an integer number (11289330).

Almost surely, 2144734250 is an apocalyptic number.

144734250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144734250 is an abundant number, since it is smaller than the sum of its proper divisors (216524310).

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

144734250 is a wasteful number, since it uses less digits than its factorization.

144734250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192999 (or 192989 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 144734250 is about 12030.5548500474. The cubic root of 144734250 is about 525.0376390248.

The spelling of 144734250 in words is "one hundred forty-four million, seven hundred thirty-four thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 192979 385958 578937 964895 1157874 1929790 2894685 4824475 5789370 9648950 14473425 24122375 28946850 48244750 72367125 144734250