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48472140 = 2235807869
BaseRepresentation
bin1011100011101…
…0000001001100
310101012122021110
42320322001030
544402102030
64450532020
71126002123
oct270720114
9111178243
1048472140
11253a7922
1214297010
13a071b52
14661aaba
1543c71b0
hex2e3a04c

48472140 has 24 divisors (see below), whose sum is σ = 135722160. Its totient is φ = 12925888.

The previous prime is 48472139. The next prime is 48472147. The reversal of 48472140 is 4127484.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 48472098 and 48472107.

It is not an unprimeable number, because it can be changed into a prime (48472147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403875 + ... + 403994.

It is an arithmetic number, because the mean of its divisors is an integer number (5655090).

Almost surely, 248472140 is an apocalyptic number.

It is an amenable number.

48472140 is an abundant number, since it is smaller than the sum of its proper divisors (87250020).

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

48472140 is a wasteful number, since it uses less digits than its factorization.

48472140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807881 (or 807879 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 48472140 is about 6962.1936198299. The cubic root of 48472140 is about 364.6118097231.

The spelling of 48472140 in words is "forty-eight million, four hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 807869 1615738 2423607 3231476 4039345 4847214 8078690 9694428 12118035 16157380 24236070 48472140