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48994431 = 344936373
BaseRepresentation
bin1011101011100…
…1100001111111
310102012011201120
42322321201333
5100020310211
64510042023
71133305623
oct272714177
9112164646
1048994431
1125724272
12144a9313
13a1c57b5
146715183
15447bd06
hex2eb987f

48994431 has 8 divisors (see below), whose sum is σ = 65473200. Its totient is φ = 32589312.

The previous prime is 48994423. The next prime is 48994433. The reversal of 48994431 is 13449984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48994431 - 23 = 48994423 is a prime.

It is a super-2 number, since 2×489944312 = 4800908538027522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48994433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16840 + ... + 19533.

It is an arithmetic number, because the mean of its divisors is an integer number (8184150).

Almost surely, 248994431 is an apocalyptic number.

48994431 is a deficient number, since it is larger than the sum of its proper divisors (16478769).

48994431 is a wasteful number, since it uses less digits than its factorization.

48994431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36825.

The product of its digits is 124416, while the sum is 42.

The square root of 48994431 is about 6999.6022029827. The cubic root of 48994431 is about 365.9167074339.

The spelling of 48994431 in words is "forty-eight million, nine hundred ninety-four thousand, four hundred thirty-one".

Divisors: 1 3 449 1347 36373 109119 16331477 48994431