Search a number
-
+
147141561 = 3725711753
BaseRepresentation
bin10001100010100…
…11001110111001
3101020212120021110
420301103032321
5300132012221
622333430533
73434453100
oct1061231671
9336776243
10147141561
117606a6a6
124133b449
132463ab18
1415783037
15cdb7776
hex8c533b9

147141561 has 24 divisors (see below), whose sum is σ = 228749664. Its totient is φ = 83885760.

The previous prime is 147141559. The next prime is 147141583. The reversal of 147141561 is 165141741.

147141561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147141561 - 21 = 147141559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147141361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83061 + ... + 84813.

It is an arithmetic number, because the mean of its divisors is an integer number (9531236).

Almost surely, 2147141561 is an apocalyptic number.

It is an amenable number.

147141561 is a deficient number, since it is larger than the sum of its proper divisors (81608103).

147141561 is a wasteful number, since it uses less digits than its factorization.

147141561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2334 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 147141561 is about 12130.1921254364. The cubic root of 147141561 is about 527.9325664283.

The spelling of 147141561 in words is "one hundred forty-seven million, one hundred forty-one thousand, five hundred sixty-one".

Divisors: 1 3 7 21 49 147 571 1713 1753 3997 5259 11991 12271 27979 36813 83937 85897 257691 1000963 3002889 7006741 21020223 49047187 147141561