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48942760 = 2351223569
BaseRepresentation
bin1011101010110…
…0111010101000
310102002112211211
42322230322220
5100012132020
64505002504
71133002156
oct272547250
9112075754
1048942760
1125699469
1214483434
13a1a8119
1467003d6
15446b85a
hex2eacea8

48942760 has 16 divisors (see below), whose sum is σ = 110121300. Its totient is φ = 19577088.

The previous prime is 48942757. The next prime is 48942767. The reversal of 48942760 is 6724984.

It can be written as a sum of positive squares in 2 ways, for example, as 47692836 + 1249924 = 6906^2 + 1118^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1223569 = 48942760 / (4 + 8 + 9 + 4 + 2 + 7 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (48942767) 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, 611745 + ... + 611824.

Almost surely, 248942760 is an apocalyptic number.

48942760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48942760 is an abundant number, since it is smaller than the sum of its proper divisors (61178540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48942760 is a wasteful number, since it uses less digits than its factorization.

48942760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223580 (or 1223576 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 48942760 is about 6995.9102338438. The cubic root of 48942760 is about 365.7880265993.

The spelling of 48942760 in words is "forty-eight million, nine hundred forty-two thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1223569 2447138 4894276 6117845 9788552 12235690 24471380 48942760