Search a number
-
+
120181396 = 2230045349
BaseRepresentation
bin1110010100111…
…01001010010100
322101010211212211
413022131022110
5221231301041
615531523204
72656345036
oct712351224
9271124784
10120181396
1161926075
12342b9504
131bb8b66a
1411d65c56
15a83e481
hex729d294

120181396 has 6 divisors (see below), whose sum is σ = 210317450. Its totient is φ = 60090696.

The previous prime is 120181393. The next prime is 120181409. The reversal of 120181396 is 693181021.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 35283600 = 9214^2 + 5940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120181393) 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 as a sum of consecutive naturals, namely, 15022671 + ... + 15022678.

Almost surely, 2120181396 is an apocalyptic number.

It is an amenable number.

120181396 is a deficient number, since it is larger than the sum of its proper divisors (90136054).

120181396 is a wasteful number, since it uses less digits than its factorization.

120181396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30045353 (or 30045351 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 120181396 is about 10962.7275803059. The cubic root of 120181396 is about 493.4908236324.

The spelling of 120181396 in words is "one hundred twenty million, one hundred eighty-one thousand, three hundred ninety-six".

Divisors: 1 2 4 30045349 60090698 120181396