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48290749 = 133714673
BaseRepresentation
bin1011100000110…
…1101110111101
310100212102110021
42320031232331
544330300444
64443012141
71124315233
oct270155675
9110772407
1048290749
1125293611
121420a051
13a00a410
1465b0953
15438d584
hex2e0dbbd

48290749 has 4 divisors (see below), whose sum is σ = 52005436. Its totient is φ = 44576064.

The previous prime is 48290747. The next prime is 48290779. The reversal of 48290749 is 94709284.

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 2295225 + 45995524 = 1515^2 + 6782^2 .

It is not a de Polignac number, because 48290749 - 21 = 48290747 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 (48290747) 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, 1857324 + ... + 1857349.

It is an arithmetic number, because the mean of its divisors is an integer number (13001359).

Almost surely, 248290749 is an apocalyptic number.

It is an amenable number.

48290749 is a deficient number, since it is larger than the sum of its proper divisors (3714687).

48290749 is a wasteful number, since it uses less digits than its factorization.

48290749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714686.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 48290749 is about 6949.1545528935. The cubic root of 48290749 is about 364.1564280562.

The spelling of 48290749 in words is "forty-eight million, two hundred ninety thousand, seven hundred forty-nine".

Divisors: 1 13 3714673 48290749