Search a number
-
+
147801061 = 1151128411
BaseRepresentation
bin10001100111101…
…00001111100101
3101022010001221101
420303310033211
5300314113221
622355520101
73443200612
oct1063641745
9338101841
10147801061
1176480141
12415b9031
132480c065
14158b5509
15ce97d91
hex8cf43e5

147801061 has 4 divisors (see below), whose sum is σ = 147930624. Its totient is φ = 147671500.

The previous prime is 147801037. The next prime is 147801097. The reversal of 147801061 is 160108741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147801061 - 25 = 147801029 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 (147801001) 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, 63055 + ... + 65356.

It is an arithmetic number, because the mean of its divisors is an integer number (36982656).

Almost surely, 2147801061 is an apocalyptic number.

It is an amenable number.

147801061 is a deficient number, since it is larger than the sum of its proper divisors (129563).

147801061 is a wasteful number, since it uses less digits than its factorization.

147801061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129562.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 147801061 is about 12157.3459685903. The cubic root of 147801061 is about 528.7201359843.

The spelling of 147801061 in words is "one hundred forty-seven million, eight hundred one thousand, sixty-one".

Divisors: 1 1151 128411 147801061