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48938977 = 156731231
BaseRepresentation
bin1011101010101…
…1111111100001
310102002100122201
42322223333201
5100012021402
64504533201
71132655143
oct272537741
9112070581
1048938977
112569663a
1214481201
13a1a6499
1466dcc93
15446a687
hex2eabfe1

48938977 has 4 divisors (see below), whose sum is σ = 48971776. Its totient is φ = 48906180.

The previous prime is 48938947. The next prime is 48938993. The reversal of 48938977 is 77983984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48938977 - 211 = 48936929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48938947) 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 3 ways as a sum of consecutive naturals, for example, 14049 + ... + 17182.

It is an arithmetic number, because the mean of its divisors is an integer number (12242944).

Almost surely, 248938977 is an apocalyptic number.

It is an amenable number.

48938977 is a deficient number, since it is larger than the sum of its proper divisors (32799).

48938977 is a wasteful number, since it uses less digits than its factorization.

48938977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32798.

The product of its digits is 3048192, while the sum is 55.

The square root of 48938977 is about 6995.6398563677. The cubic root of 48938977 is about 365.7786019043.

The spelling of 48938977 in words is "forty-eight million, nine hundred thirty-eight thousand, nine hundred seventy-seven".

Divisors: 1 1567 31231 48938977