Search a number
-
+
139084272 = 243273101131
BaseRepresentation
bin10000100101001…
…00000111110000
3100200201012202100
420102210013300
5241101144042
621445020400
73306124335
oct1022440760
9320635670
10139084272
1171567088
123a6b4700
1322a795b2
141468698c
15c32524c
hex84a41f0

139084272 has 120 divisors (see below), whose sum is σ = 401523408. Its totient is φ = 44928000.

The previous prime is 139084249. The next prime is 139084273. The reversal of 139084272 is 272480931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139084273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061647 + ... + 1061777.

Almost surely, 2139084272 is an apocalyptic number.

139084272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139084272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200761704).

139084272 is an abundant number, since it is smaller than the sum of its proper divisors (262439136).

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

139084272 is a wasteful number, since it uses less digits than its factorization.

139084272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 139084272 is about 11793.3995098954. The cubic root of 139084272 is about 518.1148108436.

The spelling of 139084272 in words is "one hundred thirty-nine million, eighty-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 73 101 131 144 146 202 219 262 292 303 393 404 438 524 584 606 657 786 808 876 909 1048 1168 1179 1212 1314 1572 1616 1752 1818 2096 2358 2424 2628 3144 3504 3636 4716 4848 5256 6288 7272 7373 9432 9563 10512 13231 14544 14746 18864 19126 22119 26462 28689 29492 38252 39693 44238 52924 57378 58984 66357 76504 79386 86067 88476 105848 114756 117968 119079 132714 153008 158772 172134 176952 211696 229512 238158 265428 317544 344268 353904 459024 476316 530856 635088 688536 952632 965863 1061712 1377072 1905264 1931726 2897589 3863452 5795178 7726904 8692767 11590356 15453808 17385534 23180712 34771068 46361424 69542136 139084272