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140492222 = 21311347819
BaseRepresentation
bin10000101111110…
…11110110111110
3100210100202002122
420113323312332
5241431222342
621535122542
73324110213
oct1027736676
9323322078
10140492222
1172338982
123b073452
13231503c0
1414931b0a
15c5024d2
hex85fbdbe

140492222 has 16 divisors (see below), whose sum is σ = 228962160. Its totient is φ = 64267392.

The previous prime is 140492221. The next prime is 140492273. The reversal of 140492222 is 222294041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 140492191 and 140492200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140492221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20972 + ... + 26847.

It is an arithmetic number, because the mean of its divisors is an integer number (14310135).

Almost surely, 2140492222 is an apocalyptic number.

140492222 is a deficient number, since it is larger than the sum of its proper divisors (88469938).

140492222 is a wasteful number, since it uses less digits than its factorization.

140492222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47947.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140492222 is about 11852.9414914611. The cubic root of 140492222 is about 519.8572364496.

The spelling of 140492222 in words is "one hundred forty million, four hundred ninety-two thousand, two hundred twenty-two".

Divisors: 1 2 13 26 113 226 1469 2938 47819 95638 621647 1243294 5403547 10807094 70246111 140492222