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140930120 = 2354185933
BaseRepresentation
bin10000110011001…
…10110001001000
3100211011222210002
420121212301020
5242034230440
621552342132
73330612662
oct1031466110
9324158702
10140930120
1172607981
123b244948
1323274806
1414a07532
15c58c115
hex8666c48

140930120 has 32 divisors (see below), whose sum is σ = 324830520. Its totient is φ = 54996480.

The previous prime is 140930107. The next prime is 140930129. The reversal of 140930120 is 21039041.

140930120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85784644 + 55145476 = 9262^2 + 7426^2 .

It is a super-2 number, since 2×1409301202 = 39722597446428800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 140930092 and 140930101.

It is not an unprimeable number, because it can be changed into a prime (140930129) 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 7 ways as a sum of consecutive naturals, for example, 41327 + ... + 44606.

Almost surely, 2140930120 is an apocalyptic number.

140930120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140930120 is an abundant number, since it is smaller than the sum of its proper divisors (183900400).

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

140930120 is a wasteful number, since it uses less digits than its factorization.

140930120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85985 (or 85981 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140930120 is about 11871.3992435601. The cubic root of 140930120 is about 520.3967878823.

Adding to 140930120 its reverse (21039041), we get a palindrome (161969161).

The spelling of 140930120 in words is "one hundred forty million, nine hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 85933 171866 343732 429665 687464 859330 1718660 3437320 3523253 7046506 14093012 17616265 28186024 35232530 70465060 140930120