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140252448 = 25371712277
BaseRepresentation
bin10000101110000…
…01010100100000
3100202220120012010
420113001110200
5241401034243
621530032520
73322061160
oct1027012440
9322816163
10140252448
1172194816
123ab78740
132309821b
14148ac5a0
15c4a6433
hex85c1520

140252448 has 96 divisors (see below), whose sum is σ = 445544064. Its totient is φ = 37711872.

The previous prime is 140252443. The next prime is 140252449. The reversal of 140252448 is 844252041.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (140252443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286 + ... + 17562.

It is an arithmetic number, because the mean of its divisors is an integer number (4641084).

Almost surely, 2140252448 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 140252448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222772032).

140252448 is an abundant number, since it is smaller than the sum of its proper divisors (305291616).

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

140252448 is a wasteful number, since it uses less digits than its factorization.

140252448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12314 (or 12306 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 140252448 is about 11842.8226365170. The cubic root of 140252448 is about 519.5613262899.

The spelling of 140252448 in words is "one hundred forty million, two hundred fifty-two thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 68 84 96 102 112 119 136 168 204 224 238 272 336 357 408 476 544 672 714 816 952 1428 1632 1904 2856 3808 5712 11424 12277 24554 36831 49108 73662 85939 98216 147324 171878 196432 208709 257817 294648 343756 392864 417418 515634 589296 626127 687512 834836 1031268 1178592 1252254 1375024 1460963 1669672 2062536 2504508 2750048 2921926 3339344 4125072 4382889 5009016 5843852 6678688 8250144 8765778 10018032 11687704 17531556 20036064 23375408 35063112 46750816 70126224 140252448