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120641140 = 2256032057
BaseRepresentation
bin1110011000011…
…01011001110100
322102000012112101
413030031121310
5221341004030
615545431444
72663301304
oct714153164
9272005471
10120641140
116210a524
123449b584
131bcbc9b9
1412045604
15a8d07ca
hex730d674

120641140 has 12 divisors (see below), whose sum is σ = 253346436. Its totient is φ = 48256448.

The previous prime is 120641117. The next prime is 120641159. The reversal of 120641140 is 41146021.

It can be written as a sum of positive squares in 2 ways, for example, as 96079204 + 24561936 = 9802^2 + 4956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016009 + ... + 3016048.

It is an arithmetic number, because the mean of its divisors is an integer number (21112203).

Almost surely, 2120641140 is an apocalyptic number.

120641140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120641140 is an abundant number, since it is smaller than the sum of its proper divisors (132705296).

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

120641140 is a wasteful number, since it uses less digits than its factorization.

120641140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032066 (or 6032064 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 120641140 is about 10983.6760695133. The cubic root of 120641140 is about 494.1192923837.

Adding to 120641140 its reverse (41146021), we get a palindrome (161787161).

The spelling of 120641140 in words is "one hundred twenty million, six hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6032057 12064114 24128228 30160285 60320570 120641140