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140384298 = 23223239439
BaseRepresentation
bin10000101111000…
…01100000101010
3100210011021001110
420113201200222
5241414244143
621532531150
73323150445
oct1027414052
9323137043
10140384298
117227488a
123b020ab6
1323113242
141490465c
15c4d0533
hex85e182a

140384298 has 32 divisors (see below), whose sum is σ = 283852800. Its totient is φ = 46284336.

The previous prime is 140384297. The next prime is 140384303. The reversal of 140384298 is 892483041.

It is a super-2 number, since 2×1403842982 = 39415502249905608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140384297) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 319563 + ... + 320001.

It is an arithmetic number, because the mean of its divisors is an integer number (8870400).

Almost surely, 2140384298 is an apocalyptic number.

140384298 is an abundant number, since it is smaller than the sum of its proper divisors (143468502).

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

140384298 is a wasteful number, since it uses less digits than its factorization.

140384298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 140384298 is about 11848.3879916215. The cubic root of 140384298 is about 519.7240868605.

It can be divided in two parts, 14038 and 4298, that added together give a triangular number (18336 = T191).

The spelling of 140384298 in words is "one hundred forty million, three hundred eighty-four thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 223 239 439 446 478 669 717 878 1317 1338 1434 2634 53297 97897 104921 106594 159891 195794 209842 293691 314763 319782 587382 629526 23397383 46794766 70192149 140384298