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48993669 = 325443741
BaseRepresentation
bin1011101011100…
…1010110000101
310102012010200100
42322321112011
5100020244134
64510034313
71133303454
oct272712605
9112163610
1048993669
112572373a
12144a8999
13a1c534a
146714b9b
15447b999
hex2eb9585

48993669 has 6 divisors (see below), whose sum is σ = 70768646. Its totient is φ = 32662440.

The previous prime is 48993653. The next prime is 48993689. The reversal of 48993669 is 96639984.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 14630625 = 5862^2 + 3825^2 .

It is not a de Polignac number, because 48993669 - 24 = 48993653 is a prime.

It is a super-2 number, since 2×489936692 = 4800759204163122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48993689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2721862 + ... + 2721879.

Almost surely, 248993669 is an apocalyptic number.

It is an amenable number.

48993669 is a deficient number, since it is larger than the sum of its proper divisors (21774977).

48993669 is a wasteful number, since it uses less digits than its factorization.

48993669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443747 (or 5443744 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 48993669 is about 6999.5477711064. The cubic root of 48993669 is about 365.9148104157.

The spelling of 48993669 in words is "forty-eight million, nine hundred ninety-three thousand, six hundred sixty-nine".

Divisors: 1 3 9 5443741 16331223 48993669