Search a number
-
+
140022786 = 2340957059
BaseRepresentation
bin10000101100010…
…01010000000010
3100202110220011010
420112021100002
5241321212121
621521101350
73320113461
oct1026112002
9322426133
10140022786
1172048212
123aa87856
1323017827
141484c9d8
15c45d376
hex8589402

140022786 has 16 divisors (see below), whose sum is σ = 280735200. Its totient is φ = 46559328.

The previous prime is 140022733. The next prime is 140022787. The reversal of 140022786 is 687220041.

It is not an unprimeable number, because it can be changed into a prime (140022787) 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, 26076 + ... + 30983.

It is an arithmetic number, because the mean of its divisors is an integer number (17545950).

Almost surely, 2140022786 is an apocalyptic number.

140022786 is an abundant number, since it is smaller than the sum of its proper divisors (140712414).

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

140022786 is a wasteful number, since it uses less digits than its factorization.

140022786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57473.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 140022786 is about 11833.1224112658. The cubic root of 140022786 is about 519.2775791737.

The spelling of 140022786 in words is "one hundred forty million, twenty-two thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 409 818 1227 2454 57059 114118 171177 342354 23337131 46674262 70011393 140022786