Search a number
-
+
49925947 = 53941999
BaseRepresentation
bin1011111001110…
…0111100111011
310110221111112011
42332130330323
5100240112242
64542030351
71144235461
oct276347473
9113844464
1049925947
1126200115
12148783b7
13a4607a6
1468b8831
1545b2d17
hex2f9cf3b

49925947 has 4 divisors (see below), whose sum is σ = 50868000. Its totient is φ = 48983896.

The previous prime is 49925933. The next prime is 49925983. The reversal of 49925947 is 74952994.

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

It is a cyclic number.

It is not a de Polignac number, because 49925947 - 219 = 49401659 is a prime.

It is a super-3 number, since 3×499259473 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49925947.

It is not an unprimeable number, because it can be changed into a prime (49925927) 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, 470947 + ... + 471052.

It is an arithmetic number, because the mean of its divisors is an integer number (12717000).

Almost surely, 249925947 is an apocalyptic number.

49925947 is a deficient number, since it is larger than the sum of its proper divisors (942053).

49925947 is an equidigital number, since it uses as much as digits as its factorization.

49925947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942052.

The product of its digits is 816480, while the sum is 49.

The square root of 49925947 is about 7065.8295337490. The cubic root of 49925947 is about 368.2211842774.

The spelling of 49925947 in words is "forty-nine million, nine hundred twenty-five thousand, nine hundred forty-seven".

Divisors: 1 53 941999 49925947