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120645485 = 524129097
BaseRepresentation
bin1110011000011…
…10011101101101
322102000102111022
413030032131231
5221341123420
615545503525
72663320052
oct714163555
9272012438
10120645485
1162112814
12344a1ba5
131bcc197c
1412047029
15a8d1c25
hex730e76d

120645485 has 4 divisors (see below), whose sum is σ = 144774588. Its totient is φ = 96516384.

The previous prime is 120645479. The next prime is 120645533. The reversal of 120645485 is 584546021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584546021 = 3891502689.

It can be written as a sum of positive squares in 2 ways, for example, as 25270729 + 95374756 = 5027^2 + 9766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120645485 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 12064544 + ... + 12064553.

It is an arithmetic number, because the mean of its divisors is an integer number (36193647).

Almost surely, 2120645485 is an apocalyptic number.

It is an amenable number.

120645485 is a deficient number, since it is larger than the sum of its proper divisors (24129103).

120645485 is an equidigital number, since it uses as much as digits as its factorization.

120645485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24129102.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 120645485 is about 10983.8738612568. The cubic root of 120645485 is about 494.1252243639.

The spelling of 120645485 in words is "one hundred twenty million, six hundred forty-five thousand, four hundred eighty-five".

Divisors: 1 5 24129097 120645485