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48928906 = 2131881881
BaseRepresentation
bin1011101010100…
…1100010001010
310102001211211201
42322221202022
5100011211111
64504414414
71132613605
oct272514212
9112054751
1048928906
112568a014
121447740a
13a1a1a20
1466d933c
1544676c1
hex2ea988a

48928906 has 8 divisors (see below), whose sum is σ = 79039044. Its totient is φ = 22582560.

The previous prime is 48928903. The next prime is 48928921. The reversal of 48928906 is 60982984.

It can be written as a sum of positive squares in 2 ways, for example, as 45091225 + 3837681 = 6715^2 + 1959^2 .

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

It is not an unprimeable number, because it can be changed into a prime (48928903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940915 + ... + 940966.

Almost surely, 248928906 is an apocalyptic number.

48928906 is a deficient number, since it is larger than the sum of its proper divisors (30110138).

48928906 is a wasteful number, since it uses less digits than its factorization.

48928906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881896.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 48928906 is about 6994.9200138386. The cubic root of 48928906 is about 365.7535093690.

The spelling of 48928906 in words is "forty-eight million, nine hundred twenty-eight thousand, nine hundred six".

Divisors: 1 2 13 26 1881881 3763762 24464453 48928906