Search a number
-
+
946147057 = 7477126541
BaseRepresentation
bin111000011001010…
…000111011110001
32102221100020202121
4320121100323301
53414203201212
6233515114241
732306055142
oct7031207361
92387306677
10946147057
11446091319
12224a42981
1312103313b
148d92dac9
15580e4d07
hex38650ef1

946147057 has 4 divisors (see below), whose sum is σ = 946281076. Its totient is φ = 946013040.

The previous prime is 946147049. The next prime is 946147099. The reversal of 946147057 is 750741649.

946147057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 907756641 + 38390416 = 30129^2 + 6196^2 .

It is a cyclic number.

It is not a de Polignac number, because 946147057 - 23 = 946147049 is a prime.

It is a super-2 number, since 2×9461470572 = 1790388506939522498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946147357) 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, 55794 + ... + 70747.

It is an arithmetic number, because the mean of its divisors is an integer number (236570269).

Almost surely, 2946147057 is an apocalyptic number.

It is an amenable number.

946147057 is a deficient number, since it is larger than the sum of its proper divisors (134019).

946147057 is a wasteful number, since it uses less digits than its factorization.

946147057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134018.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 946147057 is about 30759.5035233015. The cubic root of 946147057 is about 981.7167800842.

The spelling of 946147057 in words is "nine hundred forty-six million, one hundred forty-seven thousand, fifty-seven".

Divisors: 1 7477 126541 946147057