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144072650 = 2522881453
BaseRepresentation
bin10001001011001…
…01111111001010
3101001002122112002
420211211333022
5243340311100
622143551002
73366411611
oct1045457712
9331078462
10144072650
1174363a07
12402bb462
1323b04cb7
14151c4878
15c9ad2d5
hex8965fca

144072650 has 12 divisors (see below), whose sum is σ = 267975222. Its totient is φ = 57629040.

The previous prime is 144072641. The next prime is 144072653. The reversal of 144072650 is 56270441.

It can be written as a sum of positive squares in 3 ways, for example, as 78446449 + 65626201 = 8857^2 + 8101^2 .

It is not an unprimeable number, because it can be changed into a prime (144072653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1440677 + ... + 1440776.

Almost surely, 2144072650 is an apocalyptic number.

144072650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144072650 is a deficient number, since it is larger than the sum of its proper divisors (123902572).

144072650 is a wasteful number, since it uses less digits than its factorization.

144072650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881465 (or 2881460 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 144072650 is about 12003.0267016282. The cubic root of 144072650 is about 524.2364107177.

The spelling of 144072650 in words is "one hundred forty-four million, seventy-two thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 2881453 5762906 14407265 28814530 72036325 144072650