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140867420 = 2258979139
BaseRepresentation
bin10000110010101…
…11011101011100
3100211001210202212
420121113131130
5242030224140
621551135552
73330232121
oct1031273534
9324053685
10140867420
1172574861
123b2145b8
1323252105
14149cc748
15c578765
hex865775c

140867420 has 24 divisors (see below), whose sum is σ = 299149200. Its totient is φ = 55713152.

The previous prime is 140867417. The next prime is 140867521. The reversal of 140867420 is 24768041.

140867420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37790 + ... + 41349.

It is an arithmetic number, because the mean of its divisors is an integer number (12464550).

Almost surely, 2140867420 is an apocalyptic number.

140867420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140867420 is an abundant number, since it is smaller than the sum of its proper divisors (158281780).

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

140867420 is a wasteful number, since it uses less digits than its factorization.

140867420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79237 (or 79235 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 140867420 is about 11868.7581490230. The cubic root of 140867420 is about 520.3196013574.

The spelling of 140867420 in words is "one hundred forty million, eight hundred sixty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 79139 158278 316556 395695 791390 1582780 7043371 14086742 28173484 35216855 70433710 140867420