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49284649 = 177393923
BaseRepresentation
bin1011110000000…
…0011000101001
310102201220211101
42330000120221
5100104102044
64520201401
71135625011
oct274003051
9112656741
1049284649
1125902317
1214609261
13a29791b
14678cc41
1544d7cd4
hex2f00629

49284649 has 8 divisors (see below), whose sum is σ = 52267680. Its totient is φ = 46310976.

The previous prime is 49284589. The next prime is 49284679. The reversal of 49284649 is 94648294.

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 49284649 - 213 = 49276457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49284599 and 49284608.

It is not an unprimeable number, because it can be changed into a prime (49284679) 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, 10602 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (6533460).

Almost surely, 249284649 is an apocalyptic number.

It is an amenable number.

49284649 is a deficient number, since it is larger than the sum of its proper divisors (2983031).

49284649 is a wasteful number, since it uses less digits than its factorization.

49284649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679.

The product of its digits is 497664, while the sum is 46.

The square root of 49284649 is about 7020.3026288045. The cubic root of 49284649 is about 366.6377867979.

The spelling of 49284649 in words is "forty-nine million, two hundred eighty-four thousand, six hundred forty-nine".

Divisors: 1 17 739 3923 12563 66691 2899097 49284649