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48680973 = 3311163909
BaseRepresentation
bin1011100110110…
…1000000001101
310101121020202000
42321231000031
544430242343
64455222513
71130532015
oct271550015
9111536660
1048680973
112552a810
1214377a39
13a115c13
146672c45
154418ed3
hex2e6d00d

48680973 has 16 divisors (see below), whose sum is σ = 78676800. Its totient is φ = 29503440.

The previous prime is 48680971. The next prime is 48680987. The reversal of 48680973 is 37908684.

It is a happy number.

48680973 is a `hidden beast` number, since 486 + 80 + 97 + 3 = 666.

It is not a de Polignac number, because 48680973 - 21 = 48680971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48680971) 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, 81658 + ... + 82251.

It is an arithmetic number, because the mean of its divisors is an integer number (4917300).

Almost surely, 248680973 is an apocalyptic number.

It is an amenable number.

48680973 is a deficient number, since it is larger than the sum of its proper divisors (29995827).

48680973 is a wasteful number, since it uses less digits than its factorization.

48680973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163929 (or 163923 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 48680973 is about 6977.1751447129. The cubic root of 48680973 is about 365.1346797667.

The spelling of 48680973 in words is "forty-eight million, six hundred eighty thousand, nine hundred seventy-three".

Divisors: 1 3 9 11 27 33 99 297 163909 491727 1475181 1802999 4425543 5408997 16226991 48680973