Search a number
-
+
294947142 = 2377022551
BaseRepresentation
bin10001100101001…
…000100101000110
3202112222212102020
4101211020211012
51101001302032
645133424010
710211003130
oct2145104506
9675885366
10294947142
11141543176
128293b006
134914bc49
142b25a050
151ad61b2c
hex11948946

294947142 has 16 divisors (see below), whose sum is σ = 674164992. Its totient is φ = 84270600.

The previous prime is 294947141. The next prime is 294947179. The reversal of 294947142 is 241749492.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 7022551 = 294947142 / (2 + 9 + 4 + 9 + 4 + 7 + 1 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 294947094 and 294947103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (294947141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511234 + ... + 3511317.

It is an arithmetic number, because the mean of its divisors is an integer number (42135312).

Almost surely, 2294947142 is an apocalyptic number.

294947142 is an abundant number, since it is smaller than the sum of its proper divisors (379217850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

294947142 is a wasteful number, since it uses less digits than its factorization.

294947142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022563.

The product of its digits is 145152, while the sum is 42.

The square root of 294947142 is about 17174.0252125121. The cubic root of 294947142 is about 665.6532612392.

The spelling of 294947142 in words is "two hundred ninety-four million, nine hundred forty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 7022551 14045102 21067653 42135306 49157857 98315714 147473571 294947142