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140443122 = 2341678521
BaseRepresentation
bin10000101111011…
…11110111110010
3100210021020202010
420113233313302
5241423134442
621534103350
73323514111
oct1027576762
9323236663
10140443122
1172304aa6
123b04ab56
1323133c51
141491bc78
15c4e2b9c
hex85efdf2

140443122 has 32 divisors (see below), whose sum is σ = 292065984. Its totient is φ = 44985600.

The previous prime is 140443091. The next prime is 140443123. The reversal of 140443122 is 221344041.

It is not an unprimeable number, because it can be changed into a prime (140443123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12222 + ... + 20742.

It is an arithmetic number, because the mean of its divisors is an integer number (9127062).

Almost surely, 2140443122 is an apocalyptic number.

140443122 is an abundant number, since it is smaller than the sum of its proper divisors (151622862).

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

140443122 is a wasteful number, since it uses less digits than its factorization.

140443122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140443122 is about 11850.8700946386. The cubic root of 140443122 is about 519.7966685309.

Adding to 140443122 its reverse (221344041), we get a palindrome (361787163).

The spelling of 140443122 in words is "one hundred forty million, four hundred forty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 41 67 82 123 134 201 246 402 2747 5494 8241 8521 16482 17042 25563 51126 349361 570907 698722 1048083 1141814 1712721 2096166 3425442 23407187 46814374 70221561 140443122