Search a number
-
+
144746316 = 2232111331907
BaseRepresentation
bin10001010000010…
…10011101001100
3101002100212121200
420220022131030
5244023340231
622210225500
73405215631
oct1050123514
9332325550
10144746316
1174784060
1240585290
1323cac810
141531c188
15ca92be6
hex8a0a74c

144746316 has 144 divisors (see below), whose sum is σ = 444208128. Its totient is φ = 39139200.

The previous prime is 144746297. The next prime is 144746353. The reversal of 144746316 is 613647441.

144746316 is a `hidden beast` number, since 14 + 4 + 7 + 4 + 631 + 6 = 666.

It is a super-3 number, since 3×1447463163 (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159135 + ... + 160041.

Almost surely, 2144746316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144746316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222104064).

144746316 is an abundant number, since it is smaller than the sum of its proper divisors (299461812).

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

144746316 is a wasteful number, since it uses less digits than its factorization.

144746316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 967 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 144746316 is about 12031.0563127267. The cubic root of 144746316 is about 525.0522288175.

The spelling of 144746316 in words is "one hundred forty-four million, seven hundred forty-six thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 31 33 36 39 44 52 62 66 78 93 99 117 124 132 143 156 186 198 234 279 286 341 372 396 403 429 468 558 572 682 806 858 907 1023 1116 1209 1287 1364 1612 1716 1814 2046 2418 2574 2721 3069 3627 3628 4092 4433 4836 5148 5442 6138 7254 8163 8866 9977 10884 11791 12276 13299 14508 16326 17732 19954 23582 26598 28117 29931 32652 35373 39897 39908 47164 53196 56234 59862 70746 79794 84351 89793 106119 112468 119724 129701 141492 159588 168702 179586 212238 253053 259402 309287 337404 359172 365521 389103 424476 506106 518804 618574 731042 778206 927861 1012212 1096563 1167309 1237148 1462084 1556412 1855722 2193126 2334618 2783583 3289689 3711444 4020731 4386252 4669236 5567166 6579378 8041462 11134332 12062193 13158756 16082924 24124386 36186579 48248772 72373158 144746316