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120424429 = 313884659
BaseRepresentation
bin1110010110110…
…00011111101101
322101121012021001
413023120133231
5221312040204
615541040301
72661406426
oct713303755
9271535231
10120424429
1161a81724
12343b6091
131bc45178
1411dca64d
15a88b4a4
hex72d87ed

120424429 has 4 divisors (see below), whose sum is σ = 124309120. Its totient is φ = 116539740.

The previous prime is 120424397. The next prime is 120424453. The reversal of 120424429 is 924424021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120424429 - 25 = 120424397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120424397 and 120424406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120424229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942299 + ... + 1942360.

It is an arithmetic number, because the mean of its divisors is an integer number (31077280).

Almost surely, 2120424429 is an apocalyptic number.

It is an amenable number.

120424429 is a deficient number, since it is larger than the sum of its proper divisors (3884691).

120424429 is an equidigital number, since it uses as much as digits as its factorization.

120424429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884690.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 120424429 is about 10973.8064954691. The cubic root of 120424429 is about 493.8232483543.

It can be divided in two parts, 12042 and 4429, that added together give a triangular number (16471 = T181).

The spelling of 120424429 in words is "one hundred twenty million, four hundred twenty-four thousand, four hundred twenty-nine".

Divisors: 1 31 3884659 120424429