Search a number
-
+
120400966 = 2713961871
BaseRepresentation
bin1110010110100…
…10110001000110
322101120000002001
413023102301012
5221310312331
615540335514
72661251140
oct713226106
9271500061
10120400966
1161a66034
12343a459a
131bc3759a
1411dc1c90
15a884561
hex72d2c46

120400966 has 16 divisors (see below), whose sum is σ = 207889920. Its totient is φ = 51228360.

The previous prime is 120400957. The next prime is 120400991. The reversal of 120400966 is 669004021.

It is a super-2 number, since 2×1204009662 = 28992785227466312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28990 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (12993120).

Almost surely, 2120400966 is an apocalyptic number.

120400966 is a deficient number, since it is larger than the sum of its proper divisors (87488954).

120400966 is a wasteful number, since it uses less digits than its factorization.

120400966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62019.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 120400966 is about 10972.7373977508. The cubic root of 120400966 is about 493.7911747749.

Adding to 120400966 its reverse (669004021), we get a palindrome (789404987).

The spelling of 120400966 in words is "one hundred twenty million, four hundred thousand, nine hundred sixty-six".

Divisors: 1 2 7 14 139 278 973 1946 61871 123742 433097 866194 8600069 17200138 60200483 120400966