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48949 = 311579
BaseRepresentation
bin1011111100110101
32111010221
423330311
53031244
61014341
7262465
oct137465
974127
1048949
113385a
12243b1
1319384
1413ba5
15e784
hexbf35

48949 has 4 divisors (see below), whose sum is σ = 50560. Its totient is φ = 47340.

The previous prime is 48947. The next prime is 48953. The reversal of 48949 is 94984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48949 - 21 = 48947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (12640).

248949 is an apocalyptic number.

It is an amenable number.

48949 is a deficient number, since it is larger than the sum of its proper divisors (1611).

48949 is a wasteful number, since it uses less digits than its factorization.

48949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 10368, while the sum is 34.

The square root of 48949 is about 221.2442089638. The cubic root of 48949 is about 36.5803571427.

The spelling of 48949 in words is "forty-eight thousand, nine hundred forty-nine".

Divisors: 1 31 1579 48949