Search a number
-
+
140186892 = 22311682241
BaseRepresentation
bin10000101101100…
…01010100001100
3100202210020021010
420112301110030
5241341440032
621524405220
73321366066
oct1026612414
9322706233
10140186892
117214a53a
123ab46810
1323074431
1414892736
15c491ccc
hex85b150c

140186892 has 12 divisors (see below), whose sum is σ = 327102776. Its totient is φ = 46728960.

The previous prime is 140186869. The next prime is 140186903. The reversal of 140186892 is 298681041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 140186892.

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 3 ways as a sum of consecutive naturals, for example, 5841109 + ... + 5841132.

Almost surely, 2140186892 is an apocalyptic number.

140186892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140186892 is an abundant number, since it is smaller than the sum of its proper divisors (186915884).

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

140186892 is a wasteful number, since it uses less digits than its factorization.

140186892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682248 (or 11682246 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 140186892 is about 11840.0545606851. The cubic root of 140186892 is about 519.4803635428.

It can be divided in two parts, 14018 and 6892, that added together give a triangular number (20910 = T204).

The spelling of 140186892 in words is "one hundred forty million, one hundred eighty-six thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 11682241 23364482 35046723 46728964 70093446 140186892