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120704405 = 573330697
BaseRepresentation
bin1110011000111…
…00110110010101
322102010102022112
413030130312111
5221400020110
615551040405
72663653613
oct714346625
9272112275
10120704405
1162153008
1234510105
131c012733
14120606b3
15a8e4405
hex731cd95

120704405 has 8 divisors (see below), whose sum is σ = 146829912. Its totient is φ = 95240448.

The previous prime is 120704401. The next prime is 120704431. The reversal of 120704405 is 504407021.

It can be written as a sum of positive squares in 4 ways, for example, as 5635876 + 115068529 = 2374^2 + 10727^2 .

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 120704405 - 22 = 120704401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120704401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164984 + ... + 165713.

It is an arithmetic number, because the mean of its divisors is an integer number (18353739).

Almost surely, 2120704405 is an apocalyptic number.

It is an amenable number.

120704405 is a deficient number, since it is larger than the sum of its proper divisors (26125507).

120704405 is an equidigital number, since it uses as much as digits as its factorization.

120704405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330775.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 120704405 is about 10986.5556476996. Note that the first 3 decimals coincide. The cubic root of 120704405 is about 494.2056504155.

The spelling of 120704405 in words is "one hundred twenty million, seven hundred four thousand, four hundred five".

Divisors: 1 5 73 365 330697 1653485 24140881 120704405