Search a number
-
+
140216448 = 273365147
BaseRepresentation
bin10000101101110…
…00100010000000
3100202211201210210
420112320202000
5241343411243
621525154120
73321551211
oct1026704200
9322751723
10140216448
117216a769
123ab5b940
1323084a18
141489d408
15c49a933
hex85b8880

140216448 has 32 divisors (see below), whose sum is σ = 372450960. Its totient is φ = 46738688.

The previous prime is 140216443. The next prime is 140216449. The reversal of 140216448 is 844612041.

140216448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (140216443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182190 + ... + 182957.

Almost surely, 2140216448 is an apocalyptic number.

It is an amenable number.

140216448 is an abundant number, since it is smaller than the sum of its proper divisors (232234512).

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

140216448 is an equidigital number, since it uses as much as digits as its factorization.

140216448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365164 (or 365152 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 140216448 is about 11841.3026310453. The cubic root of 140216448 is about 519.5168688168.

Adding to 140216448 its reverse (844612041), we get a palindrome (984828489).

The spelling of 140216448 in words is "one hundred forty million, two hundred sixteen thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 365147 730294 1095441 1460588 2190882 2921176 4381764 5842352 8763528 11684704 17527056 23369408 35054112 46738816 70108224 140216448