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144727834 = 2174256701
BaseRepresentation
bin10001010000001…
…01111100011010
3101002022221021011
420220011330122
5244022242314
622210004134
73405111016
oct1050057432
9332287234
10144727834
1174771189
124057664a
1323ca4294
1415315546
15ca8c4c4
hex8a05f1a

144727834 has 8 divisors (see below), whose sum is σ = 229861908. Its totient is φ = 68107200.

The previous prime is 144727813. The next prime is 144727873. The reversal of 144727834 is 438727441.

144727834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133471809 + 11256025 = 11553^2 + 3355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1447278342 = 41892291868663112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128317 + ... + 2128384.

Almost surely, 2144727834 is an apocalyptic number.

144727834 is a deficient number, since it is larger than the sum of its proper divisors (85134074).

144727834 is a wasteful number, since it uses less digits than its factorization.

144727834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256720.

The product of its digits is 150528, while the sum is 40.

The square root of 144727834 is about 12030.2881927242. The cubic root of 144727834 is about 525.0298806878.

The spelling of 144727834 in words is "one hundred forty-four million, seven hundred twenty-seven thousand, eight hundred thirty-four".

Divisors: 1 2 17 34 4256701 8513402 72363917 144727834