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144730634 = 21311633389
BaseRepresentation
bin10001010000001…
…10101000001010
3101002100002002212
420220012220022
5244022340014
622210025122
73405122126
oct1050065012
9332302085
10144730634
11747732a4
12405781a2
1323ca5639
1415316586
15ca8d23e
hex8a06a0a

144730634 has 16 divisors (see below), whose sum is σ = 220160160. Its totient is φ = 71351280.

The previous prime is 144730633. The next prime is 144730637. The reversal of 144730634 is 436037441.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144730634.

It is not an unprimeable number, because it can be changed into a prime (144730633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41012 + ... + 44400.

It is an arithmetic number, because the mean of its divisors is an integer number (13760010).

Almost surely, 2144730634 is an apocalyptic number.

144730634 is a deficient number, since it is larger than the sum of its proper divisors (75429526).

144730634 is a wasteful number, since it uses less digits than its factorization.

144730634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 144730634 is about 12030.4045651009. The cubic root of 144730634 is about 525.0332665239.

The spelling of 144730634 in words is "one hundred forty-four million, seven hundred thirty thousand, six hundred thirty-four".

Divisors: 1 2 131 163 262 326 3389 6778 21353 42706 443959 552407 887918 1104814 72365317 144730634