Search a number
-
+
120044413 = 1923171049
BaseRepresentation
bin1110010011110…
…11101101111101
322100212212222101
413021323231331
5221212410123
615524545101
72655234466
oct711735575
9270785871
10120044413
1161842165
1234252191
131bb411c8
1411d2bd6d
15a813aad
hex727bb7d

120044413 has 12 divisors (see below), whose sum is σ = 127215900. Its totient is φ = 113259456.

The previous prime is 120044399. The next prime is 120044423. The reversal of 120044413 is 314440021.

It can be written as a sum of positive squares in 2 ways, for example, as 55756089 + 64288324 = 7467^2 + 8018^2 .

It is not a de Polignac number, because 120044413 - 225 = 86489981 is a prime.

It is a super-2 number, since 2×1200444132 = 28821322185029138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120044423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113913 + ... + 114961.

It is an arithmetic number, because the mean of its divisors is an integer number (10601325).

Almost surely, 2120044413 is an apocalyptic number.

It is an amenable number.

120044413 is a deficient number, since it is larger than the sum of its proper divisors (7171487).

120044413 is a wasteful number, since it uses less digits than its factorization.

120044413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120044413 is about 10956.4781293991. The cubic root of 120044413 is about 493.3032584032.

Adding to 120044413 its reverse (314440021), we get a palindrome (434484434).

The spelling of 120044413 in words is "one hundred twenty million, forty-four thousand, four hundred thirteen".

Divisors: 1 19 317 361 1049 6023 19931 114437 332533 378689 6318127 120044413