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140120222 = 21117374653
BaseRepresentation
bin10000101101000…
…01000010011110
3100202122211210212
420112201002132
5241332321342
621523132422
73321000524
oct1026410236
9322584725
10140120222
1172104440
123ab14112
132304cc98
1414876314
15c47c182
hex85a109e

140120222 has 16 divisors (see below), whose sum is σ = 242775792. Its totient is φ = 59944320.

The previous prime is 140120191. The next prime is 140120237. The reversal of 140120222 is 222021041.

It is a super-2 number, since 2×1401202222 = 39267353226658568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140120197 and 140120206.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 186953 + ... + 187700.

It is an arithmetic number, because the mean of its divisors is an integer number (15173487).

Almost surely, 2140120222 is an apocalyptic number.

140120222 is a deficient number, since it is larger than the sum of its proper divisors (102655570).

140120222 is a wasteful number, since it uses less digits than its factorization.

140120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374683.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140120222 is about 11837.2387827567. The cubic root of 140120222 is about 519.3979990955.

Adding to 140120222 its reverse (222021041), we get a palindrome (362141263).

The spelling of 140120222 in words is "one hundred forty million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 11 17 22 34 187 374 374653 749306 4121183 6369101 8242366 12738202 70060111 140120222