Search a number
-
+
146109047 = 729719749
BaseRepresentation
bin10001011010101…
…11001001110111
3101011221002221012
420231113021313
5244400442142
622255342435
73422622620
oct1055271167
9334832835
10146109047
1175524987
1240b21a1b
1324368b76
1415594a47
15cc61882
hex8b57277

146109047 has 8 divisors (see below), whose sum is σ = 172740000. Its totient is φ = 120917664.

The previous prime is 146109043. The next prime is 146109049. The reversal of 146109047 is 740901641.

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

It is not a de Polignac number, because 146109047 - 22 = 146109043 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 (146109043) 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, 359672 + ... + 360077.

It is an arithmetic number, because the mean of its divisors is an integer number (21592500).

Almost surely, 2146109047 is an apocalyptic number.

146109047 is a deficient number, since it is larger than the sum of its proper divisors (26630953).

146109047 is an equidigital number, since it uses as much as digits as its factorization.

146109047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719785.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 146109047 is about 12087.5575283016. The cubic root of 146109047 is about 526.6948065311.

The spelling of 146109047 in words is "one hundred forty-six million, one hundred nine thousand, forty-seven".

Divisors: 1 7 29 203 719749 5038243 20872721 146109047