Search a number
-
+
49379069 = 89554821
BaseRepresentation
bin1011110001011…
…1011011111101
310102220201100102
42330113123331
5100120112234
64522210445
71136500205
oct274273375
9112821312
1049379069
1125967253
1214653a25
13a2cb8ac
1467b5405
154505c7e
hex2f176fd

49379069 has 4 divisors (see below), whose sum is σ = 49933980. Its totient is φ = 48824160.

The previous prime is 49379059. The next prime is 49379087. The reversal of 49379069 is 96097394.

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 4153444 + 45225625 = 2038^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 49379069 - 220 = 48330493 is a prime.

It is a super-2 number, since 2×493790692 = 4876584910613522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49379059) 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, 277322 + ... + 277499.

It is an arithmetic number, because the mean of its divisors is an integer number (12483495).

Almost surely, 249379069 is an apocalyptic number.

It is an amenable number.

49379069 is a deficient number, since it is larger than the sum of its proper divisors (554911).

49379069 is an equidigital number, since it uses as much as digits as its factorization.

49379069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554910.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 49379069 is about 7027.0241923591. The cubic root of 49379069 is about 366.8717734916.

The spelling of 49379069 in words is "forty-nine million, three hundred seventy-nine thousand, sixty-nine".

Divisors: 1 89 554821 49379069