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48681811 = 311570381
BaseRepresentation
bin1011100110110…
…1001101010011
310101121021220001
42321231031103
544430304221
64455230431
71130534323
oct271551523
9111537801
1048681811
1125530402
1214378417
13a116409
146673283
154419391
hex2e6d353

48681811 has 4 divisors (see below), whose sum is σ = 50252224. Its totient is φ = 47111400.

The previous prime is 48681799. The next prime is 48681821. The reversal of 48681811 is 11818684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48681811 - 213 = 48673619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48681821) 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, 785160 + ... + 785221.

It is an arithmetic number, because the mean of its divisors is an integer number (12563056).

Almost surely, 248681811 is an apocalyptic number.

48681811 is a deficient number, since it is larger than the sum of its proper divisors (1570413).

48681811 is a wasteful number, since it uses less digits than its factorization.

48681811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570412.

The product of its digits is 12288, while the sum is 37.

The square root of 48681811 is about 6977.2351974117. The cubic root of 48681811 is about 365.1367749118.

The spelling of 48681811 in words is "forty-eight million, six hundred eighty-one thousand, eight hundred eleven".

Divisors: 1 31 1570381 48681811