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48440769 = 3131773063
BaseRepresentation
bin1011100011001…
…0010111000001
310101011001020120
42320302113001
544400101034
64450130453
71125511506
oct270622701
9111131216
1048440769
11253862a3
1214280a29
13a0607a0
14660d4ad
1543bcc49
hex2e325c1

48440769 has 16 divisors (see below), whose sum is σ = 73648512. Its totient is φ = 28055808.

The previous prime is 48440767. The next prime is 48440773. The reversal of 48440769 is 96704484.

It is not a de Polignac number, because 48440769 - 21 = 48440767 is a prime.

It is a super-2 number, since 2×484407692 = 4693016202622722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48440769.

It is not an unprimeable number, because it can be changed into a prime (48440761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35869 + ... + 37194.

It is an arithmetic number, because the mean of its divisors is an integer number (4603032).

Almost surely, 248440769 is an apocalyptic number.

It is an amenable number.

48440769 is a deficient number, since it is larger than the sum of its proper divisors (25207743).

48440769 is a wasteful number, since it uses less digits than its factorization.

48440769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73096.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 48440769 is about 6959.9403014681. The cubic root of 48440769 is about 364.5331342505.

The spelling of 48440769 in words is "forty-eight million, four hundred forty thousand, seven hundred sixty-nine".

Divisors: 1 3 13 17 39 51 221 663 73063 219189 949819 1242071 2849457 3726213 16146923 48440769