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140485244 = 22199176489
BaseRepresentation
bin10000101111110…
…10001001111100
3100210100101112012
420113322021330
5241431011434
621535030352
73324050654
oct1027721174
9323311465
10140485244
1172333709
123b06b3b8
132314a183
141492d364
15c5003ce
hex85fa27c

140485244 has 12 divisors (see below), whose sum is σ = 247086000. Its totient is φ = 69889248.

The previous prime is 140485237. The next prime is 140485249. The reversal of 140485244 is 442584041.

It is a super-2 number, since 2×1404852442 = 39472207563479072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140485244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140485249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87449 + ... + 89040.

It is an arithmetic number, because the mean of its divisors is an integer number (20590500).

Almost surely, 2140485244 is an apocalyptic number.

It is an amenable number.

140485244 is a deficient number, since it is larger than the sum of its proper divisors (106600756).

140485244 is a wasteful number, since it uses less digits than its factorization.

140485244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176692 (or 176690 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 140485244 is about 11852.6471304937. The cubic root of 140485244 is about 519.8486295108.

The spelling of 140485244 in words is "one hundred forty million, four hundred eighty-five thousand, two hundred forty-four".

Divisors: 1 2 4 199 398 796 176489 352978 705956 35121311 70242622 140485244