Search a number
-
+
120199547 = 1319148409
BaseRepresentation
bin1110010101000…
…01100101111011
322101011202210002
413022201211323
5221232341142
615532143215
72656451666
oct712414573
9271152702
10120199547
1161938776
1234307b0b
131bb969c0
1411d6c6dd
15a844a32
hex72a197b

120199547 has 8 divisors (see below), whose sum is σ = 130126080. Its totient is φ = 110370240.

The previous prime is 120199523. The next prime is 120199549. The reversal of 120199547 is 745991021.

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 120199547 - 26 = 120199483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120199547.

It is not an unprimeable number, because it can be changed into a prime (120199549) 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, 21722 + ... + 26687.

It is an arithmetic number, because the mean of its divisors is an integer number (16265760).

Almost surely, 2120199547 is an apocalyptic number.

120199547 is a deficient number, since it is larger than the sum of its proper divisors (9926533).

120199547 is a wasteful number, since it uses less digits than its factorization.

120199547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48613.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 120199547 is about 10963.5553995955. Note that the first 3 decimals coincide. The cubic root of 120199547 is about 493.5156663599.

The spelling of 120199547 in words is "one hundred twenty million, one hundred ninety-nine thousand, five hundred forty-seven".

Divisors: 1 13 191 2483 48409 629317 9246119 120199547