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48977973 = 3311374457
BaseRepresentation
bin1011101011010…
…1100000110101
310102011100011000
42322311200311
5100014243343
64505433513
71133206632
oct272654065
9112140130
1048977973
1125712970
121449b899
13a1bb165
14670d189
154476ed3
hex2eb5835

48977973 has 32 divisors (see below), whose sum is σ = 81313920. Its totient is φ = 28874880.

The previous prime is 48977959. The next prime is 48977977. The reversal of 48977973 is 37977984.

48977973 is a `hidden beast` number, since 489 + 77 + 97 + 3 = 666.

It is not a de Polignac number, because 48977973 - 25 = 48977941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48977977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8761 + ... + 13217.

It is an arithmetic number, because the mean of its divisors is an integer number (2541060).

Almost surely, 248977973 is an apocalyptic number.

It is an amenable number.

48977973 is a deficient number, since it is larger than the sum of its proper divisors (32335947).

48977973 is a wasteful number, since it uses less digits than its factorization.

48977973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4508 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 48977973 is about 6998.4264659993. The cubic root of 48977973 is about 365.8757304528.

The spelling of 48977973 in words is "forty-eight million, nine hundred seventy-seven thousand, nine hundred seventy-three".

Divisors: 1 3 9 11 27 33 37 99 111 297 333 407 999 1221 3663 4457 10989 13371 40113 49027 120339 147081 164909 441243 494727 1323729 1484181 1813999 4452543 5441997 16325991 48977973