Search a number
-
+
147892772 = 2249377489
BaseRepresentation
bin10001101000010…
…10101000100100
3101022021201202002
420310022220210
5300330032042
622401504432
73444032156
oct1064125044
9338251662
10147892772
1176533035
1241642118
1324841a21
14158daad6
15ceb5132
hex8d0aa24

147892772 has 12 divisors (see below), whose sum is σ = 258899340. Its totient is φ = 73921536.

The previous prime is 147892753. The next prime is 147892777. The reversal of 147892772 is 277298741.

It can be written as a sum of positive squares in 2 ways, for example, as 69322276 + 78570496 = 8326^2 + 8864^2 .

It is not an unprimeable number, because it can be changed into a prime (147892777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16004 + ... + 23492.

It is an arithmetic number, because the mean of its divisors is an integer number (21574945).

Almost surely, 2147892772 is an apocalyptic number.

It is an amenable number.

147892772 is a deficient number, since it is larger than the sum of its proper divisors (111006568).

147892772 is a wasteful number, since it uses less digits than its factorization.

147892772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12428 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The square root of 147892772 is about 12161.1172184138. The cubic root of 147892772 is about 528.8294708480.

The spelling of 147892772 in words is "one hundred forty-seven million, eight hundred ninety-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 4937 7489 9874 14978 19748 29956 36973193 73946386 147892772