Search a number
-
+
120407069 = 313884099
BaseRepresentation
bin1110010110101…
…00010000011101
322101120022110002
413023110100131
5221311011234
615540424045
72661305006
oct713242035
9271508402
10120407069
1161a6a682
12343a8025
131bc3a2b3
1411dc41ad
15a88627e
hex72d441d

120407069 has 4 divisors (see below), whose sum is σ = 124291200. Its totient is φ = 116522940.

The previous prime is 120407051. The next prime is 120407081. The reversal of 120407069 is 960704021.

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 a de Polignac number, because none of the positive numbers 2k-120407069 is a prime.

It is a super-2 number, since 2×1204070692 = 28995724530341522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120407029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942019 + ... + 1942080.

It is an arithmetic number, because the mean of its divisors is an integer number (31072800).

Almost surely, 2120407069 is an apocalyptic number.

It is an amenable number.

120407069 is a deficient number, since it is larger than the sum of its proper divisors (3884131).

120407069 is an equidigital number, since it uses as much as digits as its factorization.

120407069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884130.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 120407069 is about 10973.0154925617. The cubic root of 120407069 is about 493.7995178880.

The spelling of 120407069 in words is "one hundred twenty million, four hundred seven thousand, sixty-nine".

Divisors: 1 31 3884099 120407069