Search a number
-
+
140250286 = 21119335527
BaseRepresentation
bin10000101110000…
…00110010101110
3100202220110020001
420113000302232
5241401002121
621530014514
73322051651
oct1027006256
9322813201
10140250286
1172193130
123ab7743a
1323097247
14148ab898
15c4a5991
hex85c0cae

140250286 has 16 divisors (see below), whose sum is σ = 241580160. Its totient is φ = 60394680.

The previous prime is 140250283. The next prime is 140250287. The reversal of 140250286 is 682052041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140250283) 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, 167346 + ... + 168181.

It is an arithmetic number, because the mean of its divisors is an integer number (15098760).

Almost surely, 2140250286 is an apocalyptic number.

140250286 is a deficient number, since it is larger than the sum of its proper divisors (101329874).

140250286 is a wasteful number, since it uses less digits than its factorization.

140250286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335559.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 140250286 is about 11842.7313572503. The cubic root of 140250286 is about 519.5586565864.

The spelling of 140250286 in words is "one hundred forty million, two hundred fifty thousand, two hundred eighty-six".

Divisors: 1 2 11 19 22 38 209 418 335527 671054 3690797 6375013 7381594 12750026 70125143 140250286