Search a number
-
+
49890269 = 1113348883
BaseRepresentation
bin1011111001010…
…0001111011101
310110212200120202
42332110033131
5100232442034
64541153245
71144026452
oct276241735
9113780522
1049890269
1126186330
121485b825
13a44a490
1468a9829
1545a747e
hex2f943dd

49890269 has 8 divisors (see below), whose sum is σ = 58612512. Its totient is φ = 41865840.

The previous prime is 49890241. The next prime is 49890271. The reversal of 49890269 is 96209894.

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 49890269 - 212 = 49886173 is a prime.

It is a super-2 number, since 2×498902692 = 4978077881784722, 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 (49820269) 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, 174299 + ... + 174584.

It is an arithmetic number, because the mean of its divisors is an integer number (7326564).

Almost surely, 249890269 is an apocalyptic number.

It is an amenable number.

49890269 is a deficient number, since it is larger than the sum of its proper divisors (8722243).

49890269 is a wasteful number, since it uses less digits than its factorization.

49890269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348907.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 49890269 is about 7063.3043966687. The cubic root of 49890269 is about 368.1334508318.

The spelling of 49890269 in words is "forty-nine million, eight hundred ninety thousand, two hundred sixty-nine".

Divisors: 1 11 13 143 348883 3837713 4535479 49890269