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120814489 = 737732141
BaseRepresentation
bin1110011001101…
…11101110011001
322102100000022201
413030313232121
5221412030424
615553250201
72664622555
oct714675631
9272300281
10120814489
1162218794
1234563961
131c050883
141208c865
15a916d44
hex7337b99

120814489 has 8 divisors (see below), whose sum is σ = 122685192. Its totient is φ = 118949760.

The previous prime is 120814457. The next prime is 120814501. The reversal of 120814489 is 984418021.

It can be written as a sum of positive squares in 4 ways, for example, as 22467600 + 98346889 = 4740^2 + 9917^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120814489 - 25 = 120814457 is a prime.

It is a super-2 number, since 2×1208144892 = 29192281504662242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120814429) 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 7 ways as a sum of consecutive naturals, for example, 55359 + ... + 57499.

It is an arithmetic number, because the mean of its divisors is an integer number (15335649).

Almost surely, 2120814489 is an apocalyptic number.

It is an amenable number.

120814489 is a deficient number, since it is larger than the sum of its proper divisors (1870703).

120814489 is an equidigital number, since it uses as much as digits as its factorization.

120814489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 120814489 is about 10991.5644473387. The cubic root of 120814489 is about 494.3558454425.

The spelling of 120814489 in words is "one hundred twenty million, eight hundred fourteen thousand, four hundred eighty-nine".

Divisors: 1 73 773 2141 56429 156293 1654993 120814489