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48669431 = 192561549
BaseRepresentation
bin1011100110101…
…0001011110111
310101120122220112
42321222023313
544424410211
64455053235
71130453246
oct271521367
9111518815
1048669431
1125522078
121437121b
13a1108a5
14666c95d
15441588b
hex2e6a2f7

48669431 has 4 divisors (see below), whose sum is σ = 51231000. Its totient is φ = 46107864.

The previous prime is 48669427. The next prime is 48669443. The reversal of 48669431 is 13496684.

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 48669431 - 22 = 48669427 is a prime.

It is a super-2 number, since 2×486694312 = 4737427027727522, 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 (48669031) 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, 1280756 + ... + 1280793.

It is an arithmetic number, because the mean of its divisors is an integer number (12807750).

Almost surely, 248669431 is an apocalyptic number.

48669431 is a deficient number, since it is larger than the sum of its proper divisors (2561569).

48669431 is a wasteful number, since it uses less digits than its factorization.

48669431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561568.

The product of its digits is 124416, while the sum is 41.

The square root of 48669431 is about 6976.3479701058. The cubic root of 48669431 is about 365.1058203217.

The spelling of 48669431 in words is "forty-eight million, six hundred sixty-nine thousand, four hundred thirty-one".

Divisors: 1 19 2561549 48669431