Search a number
-
+
120872329 = 1715147087
BaseRepresentation
bin1110011010001…
…01110110001001
322102102221122221
413031011312021
5221420403304
615554414041
72665253314
oct715056611
9272387587
10120872329
1162258196
1234591321
131c070cb6
14120a597b
15a929054
hex7345d89

120872329 has 8 divisors (see below), whose sum is σ = 128832768. Its totient is φ = 113006400.

The previous prime is 120872321. The next prime is 120872351. The reversal of 120872329 is 923278021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120872329 - 23 = 120872321 is a prime.

It is a super-2 number, since 2×1208723292 = 29220239835768482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120872294 and 120872303.

It is not an unprimeable number, because it can be changed into a prime (120872321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20977 + ... + 26110.

It is an arithmetic number, because the mean of its divisors is an integer number (16104096).

Almost surely, 2120872329 is an apocalyptic number.

It is an amenable number.

120872329 is a deficient number, since it is larger than the sum of its proper divisors (7960439).

120872329 is a wasteful number, since it uses less digits than its factorization.

120872329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47255.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120872329 is about 10994.1952411261. The cubic root of 120872329 is about 494.4347238963.

It can be divided in two parts, 1208 and 72329, that added together give a palindrome (73537).

The spelling of 120872329 in words is "one hundred twenty million, eight hundred seventy-two thousand, three hundred twenty-nine".

Divisors: 1 17 151 2567 47087 800479 7110137 120872329