Search a number
-
+
49572161 = 674571619
BaseRepresentation
bin1011110100011…
…0100101000001
310110021112012222
42331012211001
5100142302121
64530300425
71141233152
oct275064501
9113245188
1049572161
1125a89331
1214727715
13a368752
146825929
1545430ab
hex2f46941

49572161 has 8 divisors (see below), whose sum is σ = 50453280. Its totient is φ = 48695328.

The previous prime is 49572109. The next prime is 49572181. The reversal of 49572161 is 16127594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49572161 - 26 = 49572097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49572101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29810 + ... + 31428.

It is an arithmetic number, because the mean of its divisors is an integer number (6306660).

Almost surely, 249572161 is an apocalyptic number.

It is an amenable number.

49572161 is a deficient number, since it is larger than the sum of its proper divisors (881119).

49572161 is a wasteful number, since it uses less digits than its factorization.

49572161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its digits is 15120, while the sum is 35.

The square root of 49572161 is about 7040.7500310691. The cubic root of 49572161 is about 367.3493568643.

The spelling of 49572161 in words is "forty-nine million, five hundred seventy-two thousand, one hundred sixty-one".

Divisors: 1 67 457 1619 30619 108473 739883 49572161