Search a number
-
+
120690829 = 717241547
BaseRepresentation
bin1110011000110…
…01100010001101
322102002201200201
413030121202031
5221344101304
615550453501
72663566210
oct714314215
9272081621
10120690829
1162143896
1234504291
131c0094bc
1412059777
15a8e03a4
hex731988d

120690829 has 4 divisors (see below), whose sum is σ = 137932384. Its totient is φ = 103449276.

The previous prime is 120690797. The next prime is 120690847. The reversal of 120690829 is 928096021.

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 not a de Polignac number, because 120690829 - 25 = 120690797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120690629) 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, 8620767 + ... + 8620780.

It is an arithmetic number, because the mean of its divisors is an integer number (34483096).

Almost surely, 2120690829 is an apocalyptic number.

It is an amenable number.

120690829 is a deficient number, since it is larger than the sum of its proper divisors (17241555).

120690829 is an equidigital number, since it uses as much as digits as its factorization.

120690829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17241554.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 120690829 is about 10985.9377842768. The cubic root of 120690829 is about 494.1871214384.

The spelling of 120690829 in words is "one hundred twenty million, six hundred ninety thousand, eight hundred twenty-nine".

Divisors: 1 7 17241547 120690829