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120440829 = 3192112997
BaseRepresentation
bin1110010110111…
…00011111111101
322101122000202110
413023130133331
5221313101304
615541244233
72661505305
oct713343775
9271560673
10120440829
1161a92a83
1234403679
131bc4c782
1411dd2605
15a891289
hex72dc7fd

120440829 has 8 divisors (see below), whose sum is σ = 169039840. Its totient is φ = 76067856.

The previous prime is 120440819. The next prime is 120440833. The reversal of 120440829 is 928044021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120440829 - 24 = 120440813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120440796 and 120440805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120440819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056442 + ... + 1056555.

It is an arithmetic number, because the mean of its divisors is an integer number (21129980).

Almost surely, 2120440829 is an apocalyptic number.

120440829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

120440829 is a deficient number, since it is larger than the sum of its proper divisors (48599011).

120440829 is a wasteful number, since it uses less digits than its factorization.

120440829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113019.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 120440829 is about 10974.5537039098. The cubic root of 120440829 is about 493.8456644419.

The spelling of 120440829 in words is "one hundred twenty million, four hundred forty thousand, eight hundred twenty-nine".

Divisors: 1 3 19 57 2112997 6338991 40146943 120440829