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48775749 = 3112416133
BaseRepresentation
bin1011101000010…
…0001001000101
310101210001202020
42322010021011
544441310444
64501233353
71131405231
oct272041105
9111701666
1048775749
1125594a40
1214402859
13a14a0b9
1466995c1
154437119
hex2e84245

48775749 has 16 divisors (see below), whose sum is σ = 71252544. Its totient is φ = 29433600.

The previous prime is 48775723. The next prime is 48775751. The reversal of 48775749 is 94757784.

It is not a de Polignac number, because 48775749 - 27 = 48775621 is a prime.

It is a super-2 number, since 2×487757492 = 4758147381022002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48775759) 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, 4887 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (4453284).

Almost surely, 248775749 is an apocalyptic number.

It is an amenable number.

48775749 is a deficient number, since it is larger than the sum of its proper divisors (22476795).

48775749 is a wasteful number, since it uses less digits than its factorization.

48775749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388.

The product of its digits is 1975680, while the sum is 51.

The square root of 48775749 is about 6983.9637026548. The cubic root of 48775749 is about 365.3714839267.

The spelling of 48775749 in words is "forty-eight million, seven hundred seventy-five thousand, seven hundred forty-nine".

Divisors: 1 3 11 33 241 723 2651 6133 7953 18399 67463 202389 1478053 4434159 16258583 48775749