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140210418 = 2329805807
BaseRepresentation
bin10000101101101…
…11000011110010
3100202211102112110
420112313003302
5241343213133
621525110150
73321524505
oct1026670362
9322742473
10140210418
1172166187
123ab58356
132308205a
141489b13c
15c498c63
hex85b70f2

140210418 has 16 divisors (see below), whose sum is σ = 290090880. Its totient is φ = 45125136.

The previous prime is 140210393. The next prime is 140210419. The reversal of 140210418 is 814012041.

It is a happy number.

140210418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1402104182 = 39317922631469448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140210394 and 140210403.

It is not an unprimeable number, because it can be changed into a prime (140210419) 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, 402730 + ... + 403077.

It is an arithmetic number, because the mean of its divisors is an integer number (18130680).

Almost surely, 2140210418 is an apocalyptic number.

140210418 is an abundant number, since it is smaller than the sum of its proper divisors (149880462).

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

140210418 is a wasteful number, since it uses less digits than its factorization.

140210418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805841.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 140210418 is about 11841.0480110504. The cubic root of 140210418 is about 519.5094214461.

Adding to 140210418 its reverse (814012041), we get a palindrome (954222459).

The spelling of 140210418 in words is "one hundred forty million, two hundred ten thousand, four hundred eighteen".

Divisors: 1 2 3 6 29 58 87 174 805807 1611614 2417421 4834842 23368403 46736806 70105209 140210418