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48681893 = 133744761
BaseRepresentation
bin1011100110110…
…1001110100101
310101121022000002
42321231032211
544430310033
64455231045
71130534501
oct271551645
9111538002
1048681893
1125530477
1214378485
13a116470
146673301
1544193e8
hex2e6d3a5

48681893 has 4 divisors (see below), whose sum is σ = 52426668. Its totient is φ = 44937120.

The previous prime is 48681859. The next prime is 48681901. The reversal of 48681893 is 39818684.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7491169 + 41190724 = 2737^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 48681893 - 216 = 48616357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48681833) 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, 1872368 + ... + 1872393.

It is an arithmetic number, because the mean of its divisors is an integer number (13106667).

Almost surely, 248681893 is an apocalyptic number.

It is an amenable number.

48681893 is a deficient number, since it is larger than the sum of its proper divisors (3744775).

48681893 is a wasteful number, since it uses less digits than its factorization.

48681893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744774.

The product of its digits is 331776, while the sum is 47.

The square root of 48681893 is about 6977.2410736623. The cubic root of 48681893 is about 365.1369799247.

The spelling of 48681893 in words is "forty-eight million, six hundred eighty-one thousand, eight hundred ninety-three".

Divisors: 1 13 3744761 48681893